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

StepLanguageWordMeaning
1Vulgar Latinconsuetumen
2LatincōnsuētūdōThe act of habituating; state of being habituated or accustomed, habituation
3Latincōnsuēscōto accustom, inure or habituate, tend to
4Latinsuēscōto become used or accustomed to
5Proto-Indo-Europeanswe-dʰh₁-sk-
6Proto-Indo-Europeandʰeh₁-to do, put, place

Words derived from “costume

Every word from Proto-Indo-European dʰeh₁-Every word from Proto-Indo-European swe-dʰh₁-sk-Every word from Latin suēscō