Where does “lukkosula” come from?

lukkosula (Finnish) comes from Finnish sula, from Finnish sulaa, from Proto-Finnic suladak, from Proto-Finno-Ugric sula — to molten, melted; melt, dissolve.

lukkosula (Finnish): lock deicer

Definitions

  1. lock deicer

Ancestry of “lukkosula”, step by step

lukkosula traces back through two separate lines of ancestry.

via Finnish sula

StepLanguageWordMeaning
1Finnishsulamolten; not having ice cover; pure
2Finnishsulaato melt, thaw; to dissolve, disperse, vanish; to...
3Proto-Finnicsuladakto melt
4Proto-Finno-Ugricsulato molten, melted; melt, dissolve

via Finnish lukko

StepLanguageWordMeaning
1Finnishlukkolock; bolt; clasp
2Proto-Germaniclukǭlock, clasp, shutter, opening
3Proto-Indo-Europeanlewg-to bend
Every word from Proto-Finno-Ugric sula →Every word from Proto-Finnic suladak →Every word from Finnish sulaa →