looney · adjective, noun1
At least from 1829.
Looney · proper noun2
- Middle Irish · derived fromlúan“light, warrior's halo, warrior”
- Irish · derived fromÓ Luanaigh“descendant of Luanach”
- English todayLooney
Reduced Anglicized form of Irish Ó Luanaigh (“descendant of Luanach”), a personal name based on Middle Irish lúan (“light, warrior's halo, warrior”).
Words from the same roots
Middle Irishlúan all →
Loonan
Etymology from Wiktionary, CC BY-SA 4.0.