Where does “-кий” come from?

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

-кий (Russian): -y, -ous: Used to form qualitative adjectives...

Definitions

  1. -y, -ous: Used to form qualitative adjectives...

Ancestry of “-кий”, step by step

StepLanguageWordMeaning
1Proto-Slavic-ъkъForms diminutives from old u-stem nouns;...
2Proto-Slavic-kъDeverbal, forms token nouns; From expressive or...
3Proto-Indo-European-kosCreates deadjectival and desubstantival...

Words derived from “-кий

Every word from Proto-Indo-European -kosEvery word from Proto-Slavic -kъEvery word from Proto-Slavic -ъkъ
-кий — Etymology, Origin & Word History | Etymology Explorer