Where does “castulum” come from?

castulum (Latin) comes from Old High German kasto, from Proto-West Germanic kastō, from Proto-Germanic kazą, from Proto-Germanic kas- — to throw; bring up; toss.

Ancestry of “castulum”, step by step

StepLanguageWordMeaning
1Old High Germankastobox, case
2Proto-West Germanickastōbox, case
3Proto-Germanickaząvessel, vat, tub, barrel
4Proto-Germanickas-to throw; bring up; toss
Every word from Proto-Germanic kas- →Every word from Proto-Germanic kazą →Every word from Proto-West Germanic kastō →
castulum — Etymology, Origin & Word History | Etymology Explorer