Where does “tud-” come from?

tud- (Proto-Indo-European) comes from Proto-Indo-European deh₂- — to share, divide.

Ancestry of “tud-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeandeh₂-to share, divide

Words derived from “tud-

Every word from Proto-Indo-European deh₂-