Where does “kenkäplankki” come from?

kenkäplankki (Finnish) comes from Finnish plankki, from Swedish blank, from Middle Low German blank, from Old Saxon blank, from Proto-Germanic *blank, from Proto-Germanic blankaz, from Proto-Indo-European bhleg- — to shine, white; to shine, burn, scorch.

Ancestry of “kenkäplankki”, step by step

kenkäplankki traces back through two separate lines of ancestry.

via Finnish plankki

StepLanguageWordMeaning
1Finnishplankkishoe polish
2Swedishblankreflective, shiny; smooth
3Middle Low Germanblank
4Old Saxonblank
5Proto-Germanic*blank
6Proto-Germanicblankazbright, shining, white, gleaming, blinding
7Proto-Indo-Europeanbhleg-to shine, white; to shine, burn, scorch

via Finnish kenkä

StepLanguageWordMeaning
1Finnishkenkäshoe; boot; boot; in the idiomatic expression...
2Proto-Finnickenkäshoe
Every word from Proto-Indo-European bhleg-