ClarayoudaoicibaDictYouDict[Clara 词源字典]
fem. personal name, from Latin Clara, from fem. of clarus "bright, shining, clear" (see clear (adj.) and compare Claire). Derivatives include Clarisse, Clarice, Clarabel, Claribel. The native form Clare was common in medieval England, perhaps owing to the popularity of St. Clare of Assisi.[Clara etymology, Clara origin, 英语词源]