Where does “pilyi” come from?
pilyi (Norman) comes from Old French piler, from Vulgar Latin pilare, from Latin pila, from Latin pīlus, from Latin pīlum, from Proto-Italic pistlom, from Proto-Indo-European pis-tlo-, from Proto-Indo-European peys- — to grind, to crush.
pilyi (Norman): pillar
Ancestry of “pilyi”, step by step