The story
- Latin · derived frominfortūnātus
- Middle English · inherited frominfortunat(e)
- English todayinfortunate
The adjective is first attested circa 1390, in Middle English, the verb in 1570; inherited from Middle English infortunat(e), borrowed from Latin infortūnātus, see -ate (etymology 1, 2 and 3). Doublet of unfortunate.
First known use, by meaning
- 1570–1896 To subject a person to a, or cause a celestial body to be of malevolent influence; to render 'infortunate'.
Etymology from Wiktionary, CC BY-SA 4.0.