Where does “rash” come from?

Rash comes from Old English ræsc, from Latin rasus (scraped), past participle of radere (to scrape), from Proto-Indo-European ret-.

rash (English): Acting too quickly without considering the risks...

Definitions

  1. Acting too quickly without considering the risks...

Ancestry of “rash”, step by step

rash traces back through 3 separate lines of ancestry.

via Old French rasche

StepLanguageWordMeaning
1Old Frenchrascherash, scurf
2Latinrasicareto scrape
3Latinrasusscraped, shaved
4Latinraderesecond-person singular future passive indicative...
5LatinradoI scrape, shave, scratch; I rub, smooth; I touch...
6Proto-Italicrazdō—
7Proto-Indo-Europeanrh₁d-dʰ-—
8Proto-Indo-Europeanreh₁d-to scrape, scratch, gnaw

via English arace

StepLanguageWordMeaning
1EnglisharaceTo tear up by the roots; to draw away
2Middle Englisharacento eradicate, erase
3Old Frencharachierto pull off
4Latinexradicare—
5Latinrādīxroot of a plant
6Proto-Italicwrādīksroot
7Proto-Indo-Europeanwréh₂dsroot

via Middle English rash

StepLanguageWordMeaning
1Middle Englishrash—
2Old Englishræsca heavy shower
3Proto-Germanicraskuzrapid, snell
4Proto-Germanicraþskuzrash, rapid
5Proto-Indo-Europeanrotskwosrapid
6Proto-Indo-Europeanret-to run, to roll; to run, roll

Words derived from “rash”

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