Where does “утончаться” come from?

утончаться (Russian) comes from Russian утонча́ть, from Russian утончи́ть, 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.

утончаться (Russian): to become/get thin

Definitions

  1. to become/get thin

Ancestry of “утончаться”, step by step

StepLanguageWordMeaning
1Russianутонча́тьto make (more) subtle
2Russianутончи́тьto make (more) subtle
3Russianто́нкийthin
4Old East Slavicтънъкъ—
5Proto-Slavictьnъkъthin
6Proto-Indo-Europeanténh₂usthin
7Proto-Indo-Europeantenh₂-to stretch, to extend
8Proto-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 →