The story
- Latin · derived fromOsorius
- Spanish · borrowed fromOsorio
- English todayOsorio
Borrowed from Spanish Osorio, from Latin Osorius. According to the Dictionary of American Family Names, the Latin term may have originated from the metathesis of Orosius, itself perhaps derived from ὄρος (óros, “mountain”).
Etymology from Wiktionary, CC BY-SA 4.0.