Where does “rouhintaterä” come from?

rouhintaterä (Finnish) comes from Finnish rouhinta, from Finnish rouhia, from Proto-Finnic rouhidak, from Proto-Indo-European krus- — crust.

rouhintaterä (Finnish): roughing tool, roughing insert for a lathe

Definitions

  1. roughing tool, roughing insert for a lathe

Ancestry of “rouhintaterä”, step by step

rouhintaterä traces back through two separate lines of ancestry.

via Finnish rouhinta

StepLanguageWordMeaning
1Finnishrouhintagrinding
2Finnishrouhiato grind coarsely, to kibble
3Proto-Finnicrouhidakto grind, to kibble
4Proto-Indo-Europeankrus-crust

via Finnish terä

StepLanguageWordMeaning
1Finnishteräblade, edge; head; terminal part of the leg, foot
2Proto-Finnicteräblade, edge; ear of corn; grain, corn
3Proto-Finno-Permicteräedge
Every word from Proto-Indo-European krus- →Every word from Proto-Finnic rouhidak →Every word from Finnish rouhia →