Where does “radi” come from?

radi (Latin) comes from Latin rado, from Proto-Italic razdō, from Proto-Indo-European rh₁d-dʰ-, from Proto-Indo-European reh₁d- — to scrape, scratch, gnaw.

radi (Latin): present passive infinitive of rādō; genitive...

Definitions

  1. present passive infinitive of rādō; genitive...

Ancestry of “radi”, step by step

radi traces back through two separate lines of ancestry.

via Latin rado

StepLanguageWordMeaning
1LatinradoI scrape, shave, scratch; I rub, smooth; I touch...
2Proto-Italicrazdō—
3Proto-Indo-Europeanrh₁d-dʰ-—
4Proto-Indo-Europeanreh₁d-to scrape, scratch, gnaw

via Latin radon

StepLanguageWordMeaning
1Latinradonradon
Every word from Proto-Indo-European reh₁d- →Every word from Proto-Indo-European rh₁d-dʰ- →Every word from Proto-Italic razdō →