Where does “ristivirtaus” come from?

ristivirtaus (Finnish) comes from Finnish virtaus, from Finnish virrata, from Finnish -ta, from Proto-Finnic -ta, from Proto-Uralic -tä — from.

Ancestry of “ristivirtaus”, step by step

ristivirtaus traces back through two separate lines of ancestry.

via Finnish virtaus

StepLanguageWordMeaning
1Finnishvirtauscurrent
2Finnishvirratato flow, stream
3Finnish-taA suffix for the partitive singular case; Forms...
4Proto-Finnic-taPartitive ending
5Proto-Uralic-täfrom

via Finnish Risti

StepLanguageWordMeaning
1FinnishRisticross
2Finnish-iäinenFront vowel variant of -iainen
3Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
4Finnish-uusForms nouns from adjectives, expressing a quality
5Proto-Finnic-uc-ness, -hood
Every word from Proto-Uralic -täEvery word from Finnish -taEvery word from Finnish virrata