Where does “saarnaus” come from?

saarnaus (Finnish) comes from Finnish saarnata, from Finnish -tä, from Proto-Finnic -ta, from Proto-Uralic -tä — from.

Ancestry of “saarnaus”, step by step

saarnaus traces back through two separate lines of ancestry.

via Finnish saarnata

StepLanguageWordMeaning
1Finnishsaarnatato preach
2Finnish-täFront vowel variant of -ta
3Proto-Finnic-taPartitive ending
4Proto-Uralic-täfrom

via Finnish us

StepLanguageWordMeaning
1Finnishus-ing
Every word from Proto-Uralic -tä →Every word from Finnish -tä →Every word from Finnish saarnata →