Where does “terästäminen” come from?

terästäminen (Finnish) comes from Finnish terästää, from Finnish teräs, from Proto-Finnic teräs, from Proto-Finnic terä, from Proto-Finno-Permic terä — edge.

Ancestry of “terästäminen”, step by step

StepLanguageWordMeaning
1Finnishterästääto steel, to add steel into; to fortify,...
2Finnishterässteel
3Proto-Finnicterässteel; a strip of cloth or leather for...
4Proto-Finnicteräblade, edge; ear of corn; grain, corn
5Proto-Finno-Permicteräedge
Every word from Proto-Finno-Permic terä →Every word from Proto-Finnic terä →Every word from Proto-Finnic teräs →
terästäminen — Etymology, Origin & Word History | Etymology Explorer