Charles
来自Big Physics
wiktionary
From French Charles, from Old French Charles, Carles, from Latin Carolus, from and also reinfluenced by Old High German Karl, from Proto-Germanic *karlaz(“free man”); compare the English word churl and the German Kerl.
etymonline
Charles
masc. proper name, from French Charles, from Medieval Latin Carolus, from Middle High German Karl, literally "man, husband" (see carl).