English
irritably
From irritable + -ly.
A compound of irritable + -ly
Proto-Indo-European *h₃er- ‘to move, to stir’
…
Proto-Indo-European *h₃riH-tó-s ‘whirled, stirred’
Latin irrītō ‘to excite, to irritate’
Latin irritabilis ‘irritable, irascible, short-tempered’
French irritable
English irritable
Today it means
adv In an irritable manner.
Language periods are conventional ranges, not dates for this word.
Etymograph / irritably