student (n.)youdaoicibaDictYouDict[student 词源字典]
late 14c., from Old French estudiant "student, scholar, one who is studying" (Modern French étudiant), noun use of past participle of estudiier, from Medieval Latin studiare "to study," from Latin studium (see study (v.)). Student-teacher of a teacher in training working in a classroom is from 1851, American English.[student etymology, student origin, 英语词源]