Where does “ut-” come from?

ut- (Middle English) comes from Old English ūt-, from Proto-Germanic ūt-, from Proto-Indo-European úd — out, outward.

Ancestry of “ut-”, step by step

StepLanguageWordMeaning
1Old Englishūt-out, without, outside
2Proto-Germanicūt-out-
3Proto-Indo-Europeanúdout, outward

Words derived from “ut-

Every word from Proto-Indo-European údEvery word from Proto-Germanic ūt-Every word from Old English ūt-