arrogance (n.) Look up arrogance at Dictionary.com
c.1300, from Old French arrogance (12c.), from Latin arrogantia, from arrogantem (nominative arrogans) "assuming, overbearing, insolent," present participle of arrogare "to claim for oneself, assume," from ad- "to" (see ad-) + rogare "ask, propose" (see rogation).