Where does “-käs” come from?

-käs (Estonian) comes from Proto-Finnic -k'as, from Proto-Finnic -s, from Proto-Finno-Ugric -s.

Ancestry of “-käs”, step by step

StepLanguageWordMeaning
1Proto-Finnic-k'asForms adjectives from nouns, indicating a...
2Proto-Finnic-sForms nouns
3Proto-Finno-Ugric-s—

Words derived from “-käs”

Every word from Proto-Finno-Ugric -s →Every word from Proto-Finnic -s →Every word from Proto-Finnic -k'as →