Etymology
Inherited from Middle English Bernard, from Old French Bernard, Bernart, from Medieval Latin Bernardus, probably from Frankish *Bernhard (cognate with Old High German Bernhart, Old English Beornheard), from Proto-Germanic *Bernuharduz, equivalent to bear + -ard. Popularized by medieval European saints.
Definitions & examples from Wiktionary (CC BY-SA 3.0).