Where does “vihmamatokkain” come from?

vihmamatokkain (Ingrian) comes from Ingrian matokkain, from Finnish -kkäin, from Finnish -käs, from Proto-Finnic -k'as, from Proto-Finnic -s, from Proto-Finno-Ugric -s.

Ancestry of “vihmamatokkain”, step by step

vihmamatokkain traces back through two separate lines of ancestry.

via Ingrian matokkain

StepLanguageWordMeaning
1Ingrianmatokkainworm
2Finnish-kkäinFront vowel variant of -kkain
3Finnish-käsFront vowel variant of -kas
4Proto-Finnic-k'asForms adjectives from nouns, indicating a...
5Proto-Finnic-sForms nouns
6Proto-Finno-Ugric-s—

via Ingrian vihma

StepLanguageWordMeaning
1Ingrianvihmarain
2Proto-Finnicvihmarain
Every word from Proto-Finno-Ugric -s →Every word from Finnish -käs →Every word from Proto-Finnic -s →