Where does “napinreikä” come from?

napinreikä (Finnish) comes from Finnish reikä, from Proto-Finnic raika, from Proto-Finnic rajka.

napinreikä (Finnish): buttonhole

Definitions

  1. buttonhole

Ancestry of “napinreikä”, step by step

napinreikä traces back through two separate lines of ancestry.

via Finnish reikä

StepLanguageWordMeaning
1Finnishreikähole; puncture; cavity
2Proto-Finnicraikahole
3Proto-Finnicrajka—

via Finnish näppi

StepLanguageWordMeaning
1Finnishnäppithe tips of the thumb and another finger or...
2Proto-Finnicnäppifingertip, finger
Every word from Proto-Finnic rajka →Every word from Proto-Finnic raika →Every word from Finnish reikä →