Where does “romukeräys” come from?

romukeräys (Finnish) comes from Finnish keräys, from Finnish kerätä, from Finnish -ata, from Finnish -ta, from Proto-Finnic -ta, from Proto-Uralic -tä — from.

Ancestry of “romukeräys”, step by step

romukeräys traces back through two separate lines of ancestry.

via Finnish keräys

StepLanguageWordMeaning
1Finnishkeräysan act of collecting; fundraising
2Finnishkerätäto collect, gather, accumulate; to pick
3Finnish-ataDerives verbs
4Finnish-taA suffix for the partitive singular case; Forms...
5Proto-Finnic-taPartitive ending
6Proto-Uralic-täfrom

via Finnish romu

StepLanguageWordMeaning
1Finnishromuscrap, junk, especially one that consists of...
2Finnish-uForms nouns from verbs. Most common with "e"- and...
3Proto-Finnic-uForms nouns from adjectives, nouns
Every word from Proto-Uralic -tä