extemporize (v.)youdaoicibaDictYouDict[extemporize 词源字典]
1640s (implied in extemporizing), "to speak ex tempore," from extempore + -ize. Related: Extemporized.[extemporize etymology, extemporize origin, 英语词源]
temporize (v.)youdaoicibaDictYouDict
"to comply with the times; to yield ostensibly to the current of opinion or circumstances," 1550s (implied in temporizer), from Middle French temporiser "to pass one's time, wait one's time" (14c.), from Medieval Latin temporizare "pass time," perhaps via Vulgar Latin *temporare "to delay," from Latin tempus (genitive temporis) "time" (see temporal). Related: Temporized; temporizing.