Where does “kokouskirja” come from?

kokouskirja (Finnish) comes from Finnish kokous, from Finnish koota, from Finnish -ta, from Proto-Finnic -ta, from Proto-Uralic -tä — from.

Ancestry of “kokouskirja”, step by step

kokouskirja traces back through two separate lines of ancestry.

via Finnish kokous

StepLanguageWordMeaning
1Finnishkokousmeeting, conference, assembly, convent, gathering
2Finnishkootato collect together, gather; to assemble,...
3Finnish-taA suffix for the partitive singular case; Forms...
4Proto-Finnic-taPartitive ending
5Proto-Uralic-täfrom

via Finnish kirja

StepLanguageWordMeaning
1Finnishkirjabook; quire
2Proto-Finnickirjadecoration, carving, pattern
Every word from Proto-Uralic -tä →Every word from Finnish -ta →Every word from Finnish koota →