Where does “costume” come from?
costume (Old Portuguese) comes from Vulgar Latin consuetumen, from Latin cōnsuētūdō, from Latin cōnsuēscō, from Latin suēscō, from Proto-Indo-European swe-dʰh₁-sk-, from Proto-Indo-European dʰeh₁- — to do, put, place.
Ancestry of “costume”, step by step
Words derived from “costume”