Where does “ruumiskirstu” come from?

ruumiskirstu (Finnish) comes from Finnish ruumis, from Proto-Finnic ruumis — body.

Ancestry of “ruumiskirstu”, step by step

ruumiskirstu traces back through two separate lines of ancestry.

via Finnish ruumis

StepLanguageWordMeaning
1Finnishruumisbody; corpse, cadaver
2Proto-Finnicruumisbody

via Finnish kirstu

StepLanguageWordMeaning
1Finnishkirstuchest, trunk
Every word from Proto-Finnic ruumis →Every word from Finnish ruumis →
ruumiskirstu — Etymology, Origin & Word History | Etymology Explorer