Where does “pumpulipeitto” come from?

pumpulipeitto (Finnish) comes from Finnish peitto, from Finnish peittää, from Proto-Finnic peittädäk, from Proto-Finnic pej-, from Proto-Uralic *pälkä — thumb.

Ancestry of “pumpulipeitto”, step by step

pumpulipeitto traces back through two separate lines of ancestry.

via Finnish peitto

StepLanguageWordMeaning
1Finnishpeittoblanket; cover, coverage
2Finnishpeittääto cover
3Proto-Finnicpeittädäkto cover; to hide, to conceal
4Proto-Finnicpej-—
5Proto-Uralic*pälkäthumb

via Finnish pumpuli

StepLanguageWordMeaning
1Finnishpumpulicotton; lint, cotton
2Swedishbomullcotton; the textile made from the fiber harvested...
Every word from Proto-Uralic *pälkä →Every word from Proto-Finnic pej- →Every word from Proto-Finnic peittädäk →