Where does “jakoavain” come from?

jakoavain (Finnish) comes from Finnish avain, from Finnish avata, from Proto-Finnic avait'ak, from Proto-Finno-Ugric aŋa-.

jakoavain (Finnish): An adjustable wrench, or an adjustable spanner

Definitions

  1. An adjustable wrench, or an adjustable spanner

Ancestry of “jakoavain”, step by step

jakoavain traces back through two separate lines of ancestry.

via Finnish avain

StepLanguageWordMeaning
1Finnishavainkey; code; clef, used especially in compound...
2Finnishavatato open; to unwrap; to turn on
3Proto-Finnicavait'akto open
4Proto-Finno-Ugricaŋa-

via Finnish jako

StepLanguageWordMeaning
1Finnishjakodivision, distribution, sharing, dealing; share,...
2Proto-Finnicjakoshare, part
3Proto-Finnic-oForms action/result nouns from verbs
4Proto-Uralic-w
Every word from Proto-Finno-Ugric aŋa-Every word from Proto-Finnic avait'akEvery word from Finnish avata