procrastinate (v.)youdaoicibaDictYouDict[procrastinate 词源字典]
1580s, a back formation from procrastination or else from Latin procrastinatus, past participle of procrastinare "to put off till tomorrow; defer, delay" (see procrastination). Related: Procrastinated; procrastinating. Earlier verb was procrastine (1540s), from French.[procrastinate etymology, procrastinate origin, 英语词源]