Where does “teräväkulmainen” come from?

teräväkulmainen (Finnish) comes from Finnish terävä, from Proto-Finnic teräbä, from Proto-Finnic terä, from Proto-Finno-Permic terä — edge.

teräväkulmainen (Finnish): acute, acute-angled of a triangle, having all angles smaller than 90°

Definitions

  1. acute, acute-angled of a triangle, having all angles smaller than 90°

Ancestry of “teräväkulmainen”, step by step

teräväkulmainen traces back through two separate lines of ancestry.

via Finnish terävä

StepLanguageWordMeaning
1Finnishteräväsharp; smart, clever, bright, quick-witted; acute
2Proto-Finnicteräbäsharp
3Proto-Finnicteräblade, edge; ear of corn; grain, corn
4Proto-Finno-Permicteräedge

via Finnish kuľma

StepLanguageWordMeaning
1Finnishkuľmacorner external point where two converging lines meet
Every word from Proto-Finno-Permic terä →Every word from Proto-Finnic terä →Every word from Proto-Finnic teräbä →