Where does “*udᶻdayH-” come from?

*udᶻdayH- (Proto-Indo-Iranian) comes from Proto-Indo-European deyh₁- — to hurtle, to chase.

Ancestry of “*udᶻdayH-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeandeyh₁-to hurtle, to chase
Every word from Proto-Indo-European deyh₁-