Where does “lankkaaminen” come from?

lankkaaminen (Finnish) comes from Finnish lankata, from Finnish lankki, 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 “lankkaaminen”, step by step

StepLanguageWordMeaning
1Finnishlankatato polish
2Finnishlankkishoe polish
3Swedishblankreflective, shiny; smooth
4Middle Low Germanblank
5Old Saxonblank
6Proto-Germanic*blank
7Proto-Germanicblankazbright, shining, white, gleaming, blinding
8Proto-Indo-Europeanbhleg-to shine, white; to shine, burn, scorch
Every word from Proto-Indo-European bhleg-Every word from Proto-Germanic blankazEvery word from Proto-Germanic *blank