Where does “тънъкъ” come from?

тънъкъ (Old East Slavic) comes from Proto-Slavic tьnъkъ, from Proto-Indo-European ténh₂us, from Proto-Indo-European tenh₂-, from Proto-Indo-European ten- — to stretch, to extend.

Ancestry of “тънъкъ”, step by step

StepLanguageWordMeaning
1Proto-Slavictьnъkъthin
2Proto-Indo-Europeanténh₂usthin
3Proto-Indo-Europeantenh₂-to stretch, to extend
4Proto-Indo-Europeanten-to stretch, to extend

Words derived from “тънъкъ

Every word from Proto-Indo-European ten-Every word from Proto-Indo-European tenh₂-Every word from Proto-Indo-European ténh₂us
тънъкъ — Etymology, Origin & Word History | Etymology Explorer