Where does “chaston” come from?

chaston (Old French) comes from Frankish kastō, from Proto-Germanic kastô — vessel”, “container.

Ancestry of “chaston”, step by step

StepLanguageWordMeaning
1Frankishkastōbox, case; box”, “case; chest, reservoir
2Proto-Germanickastôvessel”, “container

Words derived from “chaston

Every word from Proto-Germanic kastôEvery word from Frankish kastō