Where does “planke” come from?

planke (Old Northern French) comes from Late Latin planca, from Latin plancus, from Proto-Indo-European pleh₂- — flat.

Ancestry of “planke”, step by step

StepLanguageWordMeaning
1Late Latinplanca—
2Latinplancusflat-footed; Alternative form of plangus
3Proto-Indo-Europeanpleh₂-flat

Words derived from “planke”

Every word from Proto-Indo-European pleh₂- →Every word from Latin plancus →Every word from Late Latin planca →