Where does “тонко” come from?

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

тонко (Russian): thinly not thickly

Definitions

  1. thinly not thickly

Ancestry of “тонко”, step by step

StepLanguageWordMeaning
1Russianто́нкийthin
2Old East Slavicтънъкъ—
3Proto-Slavictьnъkъthin
4Proto-Indo-Europeanténh₂usthin
5Proto-Indo-Europeantenh₂-to stretch, to extend
6Proto-Indo-Europeanten-to stretch, to extend
Every word from Proto-Indo-European ten- →Every word from Proto-Indo-European tenh₂- →Every word from Proto-Indo-European ténh₂us →