köken: Inherited from Middle French pieu, a backformation from Old French peus, pex, nominative singular and oblique plural of pel, from Latin pālus (“post, stake”), from Proto-Italic *pākslos, from Proto-Indo-European *peh₂ǵ-slos, from *peh₂ǵ-. Doublet of pal, which is of either dialectal or learned origin.
köken: From Proto-Finnic *kasa, borrowed from Proto-Norse [Term?] (compare Old Swedish kasi, Swedish kase (“heap, collection of something”), Old Norse kǫs (“heap, pile”)), from Proto-Germanic *kasō.