Where does “Теха́с” come from?

Теха́с (Russian) comes from Ukrainian -е́ць, from Russian -кий, from Proto-Slavic -ъkъ, from Proto-Slavic -kъ, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

Ancestry of “Теха́с”, step by step

StepLanguageWordMeaning
1Ukrainian-е́ць—
2Russian-кий-y, -ous: Used to form qualitative adjectives...
3Proto-Slavic-ъkъForms diminutives from old u-stem nouns;...
4Proto-Slavic-kъDeverbal, forms token nouns; From expressive or...
5Proto-Indo-European-kosCreates deadjectival and desubstantival...

Words derived from “Теха́с”

Every word from Proto-Indo-European -kos →Every word from Proto-Slavic -kъ →Every word from Ukrainian -е́ць →