concept (n.)youdaoicibaDictYouDict[concept 词源字典]
1550s, from Medieval Latin conceptum "draft, abstract," in classical Latin "(a thing) conceived," from concep-, past participle stem of concipere "to take in" (see conceive). In some 16c. cases a refashioning of conceit (perhaps to avoid negative connotations).[concept etymology, concept origin, 英语词源]