Where does “irritable” come from?

Irritable comes from French irritable, from Latin irritabilis meaning "capable of being irritated," formed from the Latin suffix -bilis attached to a root deriving from Proto-Indo-European h₃er-.

irritable (English): Capable of being irritated; Easily exasperated or...

Definitions

  1. Capable of being irritated; Easily exasperated or...

Ancestry of “irritable”, step by step

StepLanguageWordMeaning
1Frenchirritableirritable
2Latinirritabilisirritable, irascible, short-tempered; excitable,...
3LatinirritoI incite, excite, stimulate, instigate, provoke;...
4Latinirritusinvalid, void, null and void; ineffective,...
5Latinratusconsidered, having been considered; established,...
6Latinrēōrto reckon, calculate
7Proto-Italicrēōrto reckon, to calculate; to think, to deem, to...
8Proto-Indo-Europeanh₂reh₁-to think, reason; to arrange
9Proto-Indo-Europeanh₂er-to fit, to fix, to put together

Words derived from “irritable

Every word from Proto-Indo-European h₂er-Every word from Proto-Indo-European h₂reh₁-Every word from Proto-Italic rēōr
irritable — Etymology, Origin & Word History | Etymology Explorer