- caste
- 1555, "a race of men," from L. casto "chaste," from castus "pure, cut off, separated," pp. of carere "to be cut off from" (and related to castrate), from PIE base *kes- "to cut."Application to Hindu social groups picked up in India 17c. from Port. casta "breed, race, caste," earlier casta raca "unmixed race," from the same L. word. Caste system is first recorded 1840.