saluteyoudaoicibaDictYouDict[salute 词源字典]
salute: [14] Salute goes back ultimately to the Latin noun salūs, a relative of salvus ‘safe, healthy’ (source of English safe and save). This had two main strands of meaning. The primary one was ‘health, well-being’, and in that sense it lies behind English salubrious [16] and salutary [15]. But by extension it also denoted a ‘wish for someone’s well-being’, hence a ‘greeting’, and it is this that has given English, via its derived verb salūtāre ‘greet’, salute.
=> safe, salubrious, save[salute etymology, salute origin, 英语词源]
salute (v.)youdaoicibaDictYouDict
late 14c., "to greet courteously and respectfully," earlier salue (c. 1300), from Latin salutare "to greet, pay respects," literally "wish health to," from salus (genitive salutis) "greeting, good health," related to salvus "safe" (see safe (adj.)). The military and nautical sense of "display flags, fire cannons, etc., as a mark of respect" is recorded from 1580s; specific sense of "raise the hand to the cap in the presence of a superior officer" is from 1844.
salute (n.)youdaoicibaDictYouDict
c. 1400, "act of saluting, respectful gesture of greeting, salutation," from salute (v.). The military sense is from 1690s; specifically of the hand-to-cap gesture from 1832.