The story
- Medieval Latin · borrowed from*superbiosus“haughty, proud, arrogant”
- English todaysuperbious
From Medieval Latin *superbiosus (“haughty, proud, arrogant”) (attested only in its adverbial form superbiose (“haughtily, proudly, arrogantly”)), from superbia (“pride, arrogance”) + -osus, from superbus (“haughty, proud”).
Etymology from Wiktionary, CC BY-SA 4.0.