Where does “Koskiset” come from?

Koskiset (Ingrian) comes from Ingrian -in, from Proto-Finno-Ugric *-in, from Proto-Uralic -ma.

Ancestry of “Koskiset”, step by step

StepLanguageWordMeaning
1Ingrian-inForms adjectives indicating the material of which something is made; -en
2Proto-Finno-Ugric*-in—
3Proto-Uralic-ma—

Words derived from “Koskiset”

Every word from Proto-Uralic -ma →Every word from Ingrian -in →Every word from Proto-Finno-Ugric *-in →