Where does “costard” come from?
costard (French) comes from French costume, from Italian costume, 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.
costard (French): suit
Ancestry of “costard”, step by step