The story
- Medieval Latin · derived fromsine“without”
- Ecclesiastical Latin · borrowed fromsine cūrā
- English todaysinecure
From Ecclesiastical Latin sine cūrā (literally “without care”), ellipsis of beneficium sine cūrā (“benefice without cure [of souls, i.e. the office of a curate]”), formed from Medieval Latin sine (“without”) + cūrā (“care, charge, cure”).
Etymology from Wiktionary, CC BY-SA 4.0.