Where does “-кос” come from?

-кос (Russian) comes from Russian коси́ть, from Proto-Slavic kǫsiti — to mow, to reap.

Ancestry of “-кос”, step by step

StepLanguageWordMeaning
1Russianкоси́тьto twist, to slant; to twist, to slant, to...
2Proto-Slavickǫsitito mow, to reap

Words derived from “-кос

Every word from Proto-Slavic kǫsitiEvery word from Russian коси́ть