Where does “salalukko” come from?

salalukko (Finnish) comes from Finnish sala, from Proto-Finno-Ugric *sala, from Proto-Uralic śala — elm.

salalukko (Finnish): hidden lock, secret lock

Definitions

  1. hidden lock, secret lock

Ancestry of “salalukko”, step by step

salalukko traces back through two separate lines of ancestry.

via Finnish sala

StepLanguageWordMeaning
1FinnishsalaA secret
2Proto-Finno-Ugric*sala—
3Proto-Uralicśalaelm

via Finnish lukko

StepLanguageWordMeaning
1Finnishlukkolock; bolt; clasp
2Proto-Germaniclukǭlock, clasp, shutter, opening
3Proto-Indo-Europeanlewg-to bend
Every word from Proto-Uralic śala →Every word from Proto-Finno-Ugric *sala →Every word from Finnish sala →