Where does “maitorousku” come from?

maitorousku (Finnish) comes from Finnish rousku, from Finnish -u, from Proto-Finnic -u — Forms nouns from adjectives, nouns.

maitorousku (Finnish): A milk-cap, Lactarius pargamenus

Definitions

  1. A milk-cap, Lactarius pargamenus

Ancestry of “maitorousku”, step by step

maitorousku traces back through two separate lines of ancestry.

via Finnish rousku

StepLanguageWordMeaning
1FinnishrouskuA milk-cap
2Finnish-uForms nouns from verbs. Most common with "e"- and...
3Proto-Finnic-uForms nouns from adjectives, nouns

via Finnish maito

StepLanguageWordMeaning
1Finnishmaitomilk; milk, non-dairy milk, plant milk
2Proto-Finnicmaitomilk
3Proto-Uralicmajδ̕ɜ—
Every word from Proto-Finnic -u →Every word from Finnish -u →Every word from Finnish rousku →