From Middle English tothe, toth, tooth, from Old English tōþ (“tooth”), from Proto-West Germanic *tanþ, from Proto-Germanic *tanþs (“tooth”), from Proto-Indo-European *h₃dónts (“tooth”). Related to tusk and tine. Doublet of dent, dens, tind, and tine. Cognates Cognate with Scots tuith (“tooth”), North Frisian Ter, teän, tosch, toske, tuis, tus, tusch, täis (“tooth”), Saterland Frisian Tusk (“tooth”), West Frisian tosk (“tooth”), Bavarian Zåhn (“tooth”), Dutch tand (“tooth”), German Zahn (“tooth”), Limburgish tandj (“tooth”), Luxembourgish Zant (“tooth”), Vilamovian cōn (“tooth”), Yiddish צאָן (tson, “tooth”), Danish and Swedish tand (“tooth”), Faroese tonn (“tooth”), Icelandic tönn (“tooth”), Norwegian Bokmål tann (“tooth”), Norwegian Nynorsk tann, tonn (“tooth”); also Breton and Welsh dant (“tooth”), Cornish dans (“tooth”), Irish déad (“tooth”), Scottish Gaelic deud (“tooth”), Latin dēns (“tooth”), Ancient Greek ὀδούς (odoús), ὀδών (odṓn, “tooth”), Lithuanian dantis (“tooth”), Bulgarian and Russian десна (desna, “gum”), Czech dáseň (“gum”), Polish dziąsło (“gum”), Slovak ďasno (“gum”), Ukrainian я́сна (jásna, “gum”), Armenian ատամ (atam, “tooth”), Ossetian дӕндаг (dændag, “tooth”), Baluchi دنتان (dantán), دتھاں (datʰāⁿ, “tooth”), Central Kurdish ددان (ddan, “tooth”), Northern Kurdish didan, diran (“tooth”), Persian دندان (dandân, “tooth”), Sanskrit दत् (dat), दन्त (danta, “tooth”).