Leonard
来自Big Physics
wiktionary
From Old French Leonard, name of a 6th century Frankish saint, from Old High German leo(“lion”) and hart(“hard”).
etymonline
Leonard
masc. proper name, from French Léonard, Old French Leonard, from German Leonhard, from Old High German *Lewenhart, literally "strong as a lion," from lewo (from Latin Leo, see lion) + hart "hard" (from PIE root *kar- "hard").