Where does “tasokupera” come from?

tasokupera (Finnish) comes from Finnish taso, from Finnish tasa, from Proto-Finnic tasa, from Proto-Uralic taśa — even.

tasokupera (Finnish): planoconvex

Definitions

  1. planoconvex

Ancestry of “tasokupera”, step by step

tasokupera traces back through two separate lines of ancestry.

via Finnish taso

StepLanguageWordMeaning
1Finnishtasolevel; standard; wing
2Finnishtasaof equal height; of the same level
3Proto-Finnictasaeven
4Proto-Uralictaśaeven

via Finnish kupera

StepLanguageWordMeaning
1Finnishkuperaconvex; gibbous
Every word from Proto-Uralic taśa →Every word from Proto-Finnic tasa →Every word from Finnish tasa →