Where does “доброякісний” come from?

доброякісний (Ukrainian) comes from Ukrainian якість, from Ukrainian яки́й, from Proto-Slavic jakъ, from Proto-Slavic jь, from Proto-Balto-Slavic iś, from Old Polish ić, from Proto-Slavic jьti, from Proto-Balto-Slavic eitei — to go.

доброякісний (Ukrainian): good-quality

Definitions

  1. good-quality

Ancestry of “доброякісний”, step by step

доброякісний traces back through two separate lines of ancestry.

via Ukrainian якість

StepLanguageWordMeaning
1Ukrainianякістьquality; property, feature, attribute
2Ukrainianяки́йwhat, which, what kind of
3Proto-Slavicjakъof this kind; of what/which kind
4Proto-Slavicthis; he
5Proto-Balto-Slavicthis
6Old Polishto go
7Proto-Slavicjьtito go
8Proto-Balto-Slaviceiteito go
9Proto-Indo-Europeanh₁éytito go, to be going
10Proto-Indo-Europeanh₁ey-to go

via Ukrainian до́брий

StepLanguageWordMeaning
1Ukrainianдо́брийgood
2Russianдо́брыйgood, well
3Old East Slavicдобръgood
4Proto-Slavicdòbrъgood, right
Every word from Proto-Indo-European h₁ey-Every word from Proto-Indo-European h₁éytiEvery word from Proto-Balto-Slavic eitei