xU gDtypy; my;yJ gpujpapy; tUk; nrhw;fspd; gFjpfisg; gpupj;J  mr;nrhy;ypd; nghUs;> ,yf;fzf;Fwpg;G> tpidj;jpupG> nrag;gLnghUs; Fd;wpa tpid> Fd;whtpid> nghUs; tUkplk; Mfpatw;iw vLj;Jiug;gJ nrhy;yilT MFk;. ,r;nrhy;yilTfs; midj;Jk; KOf;f KOf;f ,yf;fzj;NjhL njhlu;Gilait. jw;fhyj;jpy; njhopy; El;g tsu;r;rpapd; fhuzkhfg; gy nraypfspd; Jizf;nfhz;L ,r;nrhy;yilT cUthf;fk; rhj;jpakhfpwJ. ,f;fl;Liu Nfusg;gy;fiyf;fofj;jpy; cUtf;fg;gl;lr; nrhy;yilTfs; rpytw;iw vLj;Jiuj;J mfuhjpfspy; ,Ue;J ,it khWgLk; Kiwia tpsf;Ftjhf mikfpwJ. 

Nfusg; gy;fiyf;fofr; nrhy;yilTfs;

Nfusg;gy;fiyf;fofj; jkpo;j;Jiwapy;  rq;ffhyk; Kjy; ,f;fhyk;tiuapyhd gy;NtW ,yf;fpaq;fSf;Fr; nrhy;yilTfs; cUthf;fg;gl;Ls;sd. Nguh. t. ma;. Rg;gpukzpad; mtu;fspd; fhyj;jpy; ,Ue;Nj KJfiy khztu;fSFr; nrhy; $Wghl;lha;T nfhLf;fg;gl;lJ. nkhopaha;thf Ma;tpay; epiwQu; gl;l Ma;thsu;fSf;Fk; Kidtu;gl;l Ma;thsu;fSf;Fk; nfhLf;fg;gl;ld. ,t;tha;Tfs; midj;Jk; xU ngUe;jpl;lj;ij (Macro Study) kdjpy;nfhz;Nl ,j;jifa Ez;zha;Tfs; (Micro study) nra;ag;gl;ld. KJfiy epiyapy; nra;ag;gl;lr; nrhy;yilTfspy; gy Fiwfs; fhzg;gLfpd;wd. ’,yf;fpak; fw;gpj;jypy; nrhy;yilT Kf;fpa ,lj;ijg;ngWfpd;wJ. ,yf;fpaf;fy;tpapy; Nju;r;rpaila tpUk;Gk; xUtu; mt;tpyf;fpaj;jpw;fhd nrhy;yilT xd;wpid cUthf;fpf;nfhs;sNtz;Lk;. nrhy;yilT %yk; fw;wy; vd;gJ Xu; ,yf;fpak; xd;wpd; Mo mfyq;fisf;fhz cjTk;. jkpopy; Moq;fhw;gl;l mwpQu;fnsy;yhk; ,t;thW fw;wtu;fNs. rpyg;gjpfhuj;jpy; tpsf;ftpay; ,yf;fzk; nra;j r. Nt. Rg;gpukzpad; mtu;fspd; rpyg;gjpfhug; gapw;rpia mtuJ rpyg;gjpfhu E}y;fspy; mwpayhk;. mtupd; rpyg;gjpfhu ciu (fq;if Gj;jf epiyak;) gbj;jtu;fSf;F mjd; mUik GupAk;’ vd;W jp ,uh[uj;jpdk; jkJ fl;Liuapy; nrhy;yjpfhuj;jpd; rpwg;Gf;fisf; Fwpg;gpLfpwhu;> Nguh. t. ma;. Rg;gpukzpak; mtu;fs;>  mjid ‘Index’ vd;whu;. ,d;iwa Nkiyehl;L mwpQu;fs; ‘Glossary’ vd;fpd;wdu;. gpd;tUk; ml;ltiz Nfusg; gy;fiyf;fofj;jpy; cUthf;fg;gl;l Kf;fpakhd rpy rq;fr;nrhy;yilTfis vLj;Jiuf;fpwJ.

Nfusg; gy;fiyf;fofj;jpy; cUthf;fg;gl;l rq;fr;nrhy;yilTfs;

,ijj;jtpu mw ,yf;fpaq;fs;> gf;jp ,yf;fpaq;fs;> njhy;fhg;gpak;> ed;D}y;> etPdf;ftpijfs; cs;gl Ke;E}Wf;Fk; Nkw;gl;lr; nrhy;yilTfs; Nfusg; gy;fiyf;fofj;jpy; cUthf;fg;gl;Ls;sd vd;gJ Fwpg;gplj;jf;fJ. ,itNghfj; jkpofj;jpYs;s gy;NtW gy;fiyf;fofq;fspYk; gy nrhy;yilTfis cUthf;fpAs;sdu; mit gpd;tUkhW>   

1. rq;f ,yf;fpar; nrhw;fsQ;rpak; – jz;lghzpNjrpfu;> jpUthtLJiw MjPdk;> 1963.
2. Index des mots de la litterature tamoule ancienne> gpnuQ;rpe;jpa epWtd ntspaPL(IFP)> 3 gFjpfs;> 1967.
3. Pre – Pallavan Tamil Index, N.Subrahmanian, University of Madras> 1966> 1990.
4. A word index of old Tamil Sangam Literature – jhk]; Nykhd; kw;Wk; jhk]; khy;ld;> 1992.
5. Word index for Cankam literature> Mrpatpay; epWtdk;> nrd;id> (2007).
6. rq;f ,yf;fpar; nrhy;yilT> ng.khijad;> jkpo;g;gy;fiyf;fofk;> (2007) vd;gdthFk;.

,tw;Ws; rpy nrhy;yilTfSf;Fr; nrhw;fSf;Fg; nghUs; kl;LNk nfhLf;fg;g;l;Ls;sd.  ,yf;fz tpsf;fk; Fwpf;fg;gltpy;iy. ngau;>  tpid vd;w ghFghL kl;LNk fhzg;gLfpd;wd. miwFiwahf ,j;jifar; nrhy;yilTfs; fhzgLfpd;wd. Mdhy; Nfusg; gy;fiyf;fofj; jkpo;j;Jiw  kw;w nrhy;yilTfspypUe;J khWgl;L gy mupa E}y;fSf;F KOikahd ,yf;fzf;Fwpg;Gf;fis  tiuaWj;J nrhy;yilTfisj; jahupj;Js;sd vd;gJ Fwpg;gplj;jf;fJ. 

’kugpyf;fpaNkh jw;fhy ,yf;fpaNkh fw;gpj;jypy; nrhy;yilT vd;gjd; gq;F Fwpg;gplj;jf;fJ.     nrhy;yilT kw;Wk; ,yf;fzf;Fwpg;Gj; jahupg;gjhy; Xu; ,yf;fpaj;jpy; te;Js;s nganur;rk;> tpidnar;rk;> Ntw;Wik> ngauil> tpidail vd midj;ijAk; xd;whff; fhythupahfg; nghUs; mbg;gilapYk; tbt mbg;gilapYk; ghu;f;fKbAk;. njhy;fhg;gpaj;jpYk; ed;D}ypYk; ,yf;fzf;$Wfs; nghUs; mbg;gilapYk; (Ntw;Wik cUGfSf;fhd nghUs;) tbt mbg;gilapYk; (nra;j> nra;fpd;w> nra;Ak; -tha;g;ghL) tifg;gLj;jpf; nfhLf;fg;gl;Ls;sd. xt;nthU fhyfl;lj;jpYk; vOe;j ,yf;fpaq;fspy; tptuz mbg;gilapy; ,yf;fzk; vOjp nghUs; mbg;gilapYk; tbt mbg;gilapYk; ,Ug;gtw;iw kuG ,yf;fzq;fNshL xg;gpl;L Muha ,j;jifa nrhy;yilTfs; JizGupAk;. xt;nthU fhyfl;lj;jpYk; vOe;j ,yf;fpaq;fspd; ,yf;fzf;$Wfis tif> njhif nra;J tpjpfshf;fp mtw;iwg; gpw fhyfl;l tpjpfNshL xg;GNehf;fNtz;Lk;. ,t;thW vy;yhf;fhyq;fSf;Fk; xg;G Nehf;Ff;Fk;NghJ> xU fhyfl;lj;jpy; ,Ue;J kw;nwhU fhyfl;lk; NtWgLk; ,lk; GupatUk;. ,tw;iw xOq;FgLj;jpdhy;> mJ nkhoptuyhwhf mikAk;. tpsf;fKiwapy; xt;nthU ,yf;fpaj;ijAk; Muha;e;J gpd; tuyhw;W Kiwapy; mtw;iw xd;Nwhnlhd;W fhyfl;lq;fs;NjhWk; xg;gpl;lhy; ,yf;fz tuyhw;iwAk; ,yf;fpaj;jpw;fhd nkhoptuyhw;iwAk; cUthf;f ,aYk;.

nrhy;yilTk; mfuhjpAk;

nrhy;yilTk; mfuhjpAk; ghu;g;gjw;F xd;Nw Nghd;W fhl;rpaspf;Fk;. vdpDk; ,tw;wpw;fpilNa  gy khw;wq;fs; fhzg;gLfpd;wd. mtw;iw ,g;gFjpy; fhz;Nghk;.  nrhy;yiltpYk; mfuhjpapYk;  nrhw;fSk; mjw;fhd nghUs; epiyAk; fl;lhak; mikfpd;wd. mr;nrhw;fspd; ,yf;fzf;$Wfis tiuaWg;gjpy; ,uz;Lk; khWgLfpd;wd. nrhy;yiltpy; ,yf;fzf;$Wfs; tpupthf ,lk;ngWk;. mfuhjpfspy; ngau;> tpid> tpidKw;W> ngauil> tpidail vd;w ,yf;fzg; gFg;Gfs; kl;LNk ,lk;ngWk;. Mdhy; nrhy;yilTfspy;  tpupthd ,yf;fz tpsf;fg;gFjpfs; ,lk;ngw;Ws;sd. nrhy;yiltpy; ngau; vd;why; ngau;> ngauil> jd;ikg;ngau;> Kd;dpypg;ngau;> tpdhg;ngau;> tpidahyizAk; ngau;> tpidKw;W> tpidnar;rk;> nganur;rk;  Nghd;w El;gkhd ,yf;fzf;$Wfs; fhzg;gLfpd;wd. jkpo;g;Ngufuhjp  jtpu;j;j  Vida  mfuhjpfspy; tpidj;jpupG ,lk;ngWtjpy;iy.  mJNghyNt nrag;gLnghUs; Fd;wpa tpidAk; Fd;whtpidAk; nrhy;yiltpy; Fwpg;ghf ,lk;ngWtijf;fzyhk;.

nrhy;yiltpd; gad;fs;

nrhy;yilTfs; jahupg;gjhy; xU khztd; ,yf;fzf; $Wfis ed;F mwpe;J nfhs;fpwhd;. mfuhjpapay; Ma;Tf;F ,J gad;gLfpwJ. (Lexico graphy study). tuyhw;WKiw Ma;T cUthf;f ,r;nrhy;yilT gad;gLfpd;wd. NtYg;gps;is Kjypy; vOjpa tuyhw;wpyf;fzj;NjhL ,d;W tuyhw;wpyf;fzk; epd;WNghapw;W. jkpo; twyhw;wpyf;fzk; cUthf;f ,r;nrhy;yilT ngupJk; gad;gLfpd;wd. ,ae;jpu nkhopngau;g;Gf;F Machine Translation  cjTfpwJ. ,d;iwa fhyr;#oypy; fzpdp topahf xU njhlu; nfhLj;jhy; mijg; gpupj;J tpLfpwJ. fhyfhykhd kdpj %isapd; gad;ghl;lhy; cUthf;fg;gl;lNj ,J. ,k;khjpupahd Ez;zha;thy; fhythupahd tuyhw;wpyf;fzk; cUthf;f ,aYk;.

nrhy;yilT cUthf;fk;

nrhy;yiltpd; cUthf;fj;jpw;F mbg;gil nrhw;fshFk;.   nrhw;fshyhd gDty; vJthf ,Ue;jhYk; nrhy;yilT cUthf;fj;jpw;Fg; gad;gLj;jyhk;. ,r;nrhw;fisj; njhy;fhg;gpau; vOj;Jf;fs; jdpj;Njh njhlu;e;Njh epd;W nghUs; jUtJ.  nrhy;nyd;W tpsf;fk; jUfpwhu;.

“vy;yhr; nrhy;Yk; nghUs; Fwpj;jdNt” njhy;. nga.1.

jdpnkhop> njhlu;nkhop ( njhy;. Nrdh.1.)

jdpnkhopAs;  ngau;r;nrhy;> tpidr;nrhy;> ,ilr;nrhy;>    cupr;nrhy; vd;git mlq;Fk;. nrhy;yilT cUthf;Fk;NghJ xU njhlupYs;s midj;Jr; nrhw;fisAk; ngau;> tpid> Ntw;Wik cUG ,ilr;nrhy; vd;W midj;ijAk; gFf;f Ntz;Lk;. mt;thW gFj;j nrhy; ngau;r;nrhy;yhapd; mjd; tiffSs; vt;tif vd;gijf; Fwpf;f Ntz;Lk;.     ngau;r;nrhy;tiffshd khw;Wg;ngau;> tpdhg;ngau;> Rl;Lg;ngau;> ,aw;ngau; vd;gdtw;Ws; mJ ve;j ngau; vd;gijf; Fwpf;f Ntz;Lk;.  rpy ngau;r;nrhy; tifg;ghLfs; gpd;tUkhW>

• ngaub epiyapy; ngau;fs;.
• khw;Wg;ngau;fs; – mtd;> mts;> mit> mJ.
• vz;Zg;ngau;fs; – xd;W ,uz;L> E}W> Mapuk;.
• jpirg;ngau;fs; – fpof;F> Nkw;F.
• ,aw;ngau;fs; – G+kp #upad;.
• tpFjp epiyapy; ngau;fs;.
• Mz;ghy; tpFjp – kfd;> rNfhjud;.
• ngz;ghy; tpFjp – kfs;> rNfhjup> ghy;fhup.
• gyu;ghy; tpFjp – rNfhjuu;.
• xd;wd;ghy; tpFjp.
• gytpd;ghy; tpFjp.

ngau; my;yJ ngau;j;njhlUf;Fg; gjpyhf tUgit.  ,lg;ngau;fs;> Rl;Lg;ngau;fs;> tpdhg;ngau;fs;> vz;Zg;ngau;> vz;Zg;ngauil vd;gd. ,dp mtw;wpw;fhdr; rhd;Wfisf; fhz;Nghk;.

v.fh. 

,lg;ngau;fs; – kJiu> Nfhit> jpUtde;jGuk;.

Rl;Lg;ngau;fs;    – mtd;> mts;> ,td; ,ts;.

tpdhg;ngau;fs;   – ahJ> ahtu;> ahit> vit> vJ.

vz;Zg;ngau;fs;  – xd;W> ,uz;L> gj;J E}W> xUtd;> xUts; xUj;jp> xUj;jd;> ,Utu;> %tu;. 

vz;Zg;ngauil  – xU> ,U> Xu;> <u;> %> ehy;> I.

NkYk; ngaNuhL ,iae;J tUk; Ntw;Wik cUGfisAk; gpupj;J  mjd;nghUs; epiyfisAk; vOj Ntz;Lk;. mt;thW nra;Ak;NghJ xl;Lnkhj;j ,yf;fpaj;jpy; gapd;WtUk; Ntw;Wik cUGfspd; nghUs; epiyfisf; fz;lwpa ,r;nrhy;yilT ngupJk; Jiz epw;Fk;.

nrhy;yiltpy; tUk;  tpidr;nrhw;fSf;Fg; gpd;tUk; epiyapy; kugpyf;fzq;fs; ,yf;fzk; $Wfpd;wd. tpidr;nrhw;fs; fhyk; fhl;Lk;> Ntw;Wik Vw;fhJ> milfisg; ngw;WtUk;> tpFjp epiyapy; jpiz> ghy;> vz;> ,lk; Mfpatw;iwf; fhl;Lk;. ,it njupepiy> Fwpg;G vd;Dk; ,uz;L tiffspy; mikAk;  vd;W $Wfpd;wd. nrhy;yiltpy; tpidr;nrhw;fisg; gFf;Fk;NghJ njupepiytpid> Fwpg;G tpid> nrag;gLnghUs; Fd;wh tpid> nrag;gLnghUs; Fd;wpa tpid> tpidKw;W> vr;rk; nganur;rk; tpidnar;rk;) Vty;tpid> tpaq;Nfhs; tpid> jd;tpid> gpwtpid> Jiztpid> tpidail> njhopw;ngau;> tpidahyizAk; ngau; vd;w epiyfspy; tpidr;nrhw;fis tifg;gLj;j Ntz;Lk;.

KbTiu

nrhy;yilT Fwpj;j njspthd GupjiyAk; ,yf;fzg; gFg;Gf;fisAk; xU khztd; ngw;Wf;nfhs;thdhapd; mfuhjpapay;j; Jiw> nkhopngau;g;Gj;Jiw> ,ae;jpu nkhopngau;g;Gj;Jiw cs;spl;l Jiwfspy; vspjpy; Ntiytha;g;Gf;fisg; ngw;Wf;nfhs;syhk;. ,r;nrhy;yilTfs; tuyhw;W Kiw ,yf;fz cUthf;fj;jpw;Fk; mfuhjp cUthf;fj;jpw;Fk;> kpd;dfuhjp cUthf;fj;jpw;Fk; ngupJk; gad;gLk; vd;gjpy; Iakpy;iy.

ghHit E}y;fs;

,isangUkhs;> k. Iq;FW E}W nrhy;yilT> jkpo;j;Jiw ntspaPL> Nfusg; gy;fiyf;fofk;> jpUtde;jGuk;> 1975.

,uh[nuj;jpdk;> Nfusg; gy;fiyf;fofr; nrhy;yilTfs;> mr;Nruh fl;Liu.

fpU\;zhk;ghs;> FWe;njhifr; nrhy;yilT> jkpo;j;Jiw ntspaPL> Nfusg; gy;fiyf;fofk;> jpUtde;jGuk;> 1974.

Rg;gpukzpak;> t> ma;. GwehD}W nrhy;yilT> jkpo;j;Jiw ntspaPL> Nfusg; gy;fiyf;fofk;> jpUtde;jGuk;> 1972.

jz;lgzp Njrpfu;> rq;f ,yf;fpar; nrhw;fsQ;rpak;> jpUthtLJiw MjPdk;> 1963.

khijad;> ng. rq;f ,yf;fpar; nrhy;yilT> jkpo;g;gy;fiyf;fofk;> 2007.

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