Where does “frustulum” come from?

frustulum (Latin) comes from Latin frustum, from Proto-Italic frustom, from Proto-Indo-European bʰrus-tós, from Proto-Indo-European bʰrews- — to break.

Ancestry of “frustulum”, step by step

StepLanguageWordMeaning
1Latinfrustuma piece, bit; crumb, morsel, scrap of food
2Proto-Italicfrustom—
3Proto-Indo-Europeanbʰrus-tós—
4Proto-Indo-Europeanbʰrews-to break

Words derived from “frustulum”

Every word from Proto-Indo-European bʰrews- →Every word from Proto-Indo-European bʰrus-tós →Every word from Proto-Italic frustom →