graduate
n.
early 15c., "one who holds a degree" (with man; as a stand-alone noun from mid-15c.), from Medieval Latin graduatus, past participle of graduari "to take a degree," from Latin gradus "step, grade" (see grade, n.). As an adjective, from late 15c.
v.
early 15c., "to confer a university degree upon," from Medieval Latin graduatus (see graduate, n.). Intransitive sense from 1807. Related: Graduated; graduating.
〔蒋〕[grad步,级,-u-,-ate动词后缀;’在学业上走完某一步”,’在学业上完成某一级”] 毕业;[转为] 毕业生