expedite (v.)youdaoicibaDictYouDict[expedite 词源字典]
c. 1500 (implied in past participle expedit "accomplished"), from Latin expeditus, past participle of expedire "extricate, disengage, liberate; procure, make ready, put in order, make fit, prepare; explain, make clear," literally "free the feet from fetters," hence to liberate from difficulties, from ex- "out" (see ex-) + *pedis "fetter, chain for the feet," related to pes (genitive pedis) "foot," from PIE root *ped- (1) "a foot" (see foot (n.)). Compare Greek pede "fetter." Related: Expedited; expediting.[expedite etymology, expedite origin, 英语词源]