Where does “calçola” come from?

calçola (Portuguese) comes from Portuguese calça, from Old Portuguese calça, from Late Latin calcea, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

calçola (Portuguese): panties, briefs an undergarment for women, complete and legless, extending from the waist or hips to the groin or upper part of the thighs