Where does “iracund” come from?

iracund (English) comes from Latin īrācundus, from Latin īra, from Latin eira, from Proto-Italic eisā, from Proto-Indo-European h₁eys- — to propel; to move quickly.

iracund (English): Angry; irritable

Definitions

Angry; irritable

Ancestry of “iracund”, step by step

Step	Language	Word	Meaning
1	Latin	īrācundus	hasty of temper, hot-tempered, irritable, irascible, predisposed to anger, prone to anger, quick to anger; passionate, wrathful
2	Latin	īra	ire, anger, wrath
3	Latin	eira	—
4	Proto-Italic	eisā	—
5	Proto-Indo-European	h₁eys-	to propel; to move quickly

Words derived from “iracund”

iracundity

Every word from Proto-Indo-European h₁eys- →Every word from Proto-Italic eisā →Every word from Latin eira →