propelyoudaoicibaDictYouDict[propel 词源字典]
propel: see pulse
[propel etymology, propel origin, 英语词源]
propel (v.)youdaoicibaDictYouDict
mid-15c., "to drive away, expel," from Latin propellere "push forward, drive forward, drive forth; move, impel," from pro- "forward" (see pro-) + pellere "to push, drive" (see pulse (n.1)). Meaning "to drive onward, cause to move forward" is from 1650s. Related: Propelled; propelling.