Where does “pelado” come from?

pelado (Spanish) comes from Spanish pelar, from Latin pilāre, 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.

pelado (Spanish): peeled, skinned, shelled; treeless, bare;...