reinvigorate (v.)youdaoicibaDictYouDict[reinvigorate 词源字典]
1650s, from re- + invigorate. Related: Reinvigorated; reinvigorating.[reinvigorate etymology, reinvigorate origin, 英语词源]
reinvite (v.)youdaoicibaDictYouDict
also re-invite, 1610s, from re- + invite (v.). Related: Reinvited; reinviting.
reissue (v.)youdaoicibaDictYouDict
1610s, from re- "back, again" + issue (v.). Related: Reissued; reissuing. The noun is attested from 1805.
reiterate (v.)youdaoicibaDictYouDict
early 15c., "repeat again and again," from Late Latin reiteratus, past participle of reiterare "to repeat," from re- "again" (see re-) + iterare "to repeat," from iterum "again" (see iteration). Related: Reiterated; reiterating.
reiteration (n.)youdaoicibaDictYouDict
early 15c., from Middle French reiteration and directly from Latin reiterationem (nominative reiteratio) "repetition," noun of action from past participle stem of reiterare (see reiterate).
reject (v.)youdaoicibaDictYouDict
early 15c., from Old French rejecter and directly from Latin reiectus, past participle of reiectare "throw away, cast away, vomit," frequentative of reicere "to throw back," from re- "back" (see re-) + -icere, comb. form of iacere "to throw" (see jet (v.)). Related: Rejected; rejecting.
reject (n.)youdaoicibaDictYouDict
1550s, "a castaway" (rare), from reject (v.). Modern use probably a re-formation of the same word: "thing cast aside as unsatisfactory" (1893); "person considered low-quality and worthless" (1925, from use in militaries).
rejection (n.)youdaoicibaDictYouDict
1550s, from French réjection (16c.) or directly from Latin reiectionem (nominative reiectio) "act of throwing back," noun of action from past participle stem of reicere (see reject). In 19c., it also could mean "excrement." Medical transplant sense is from 1954. In the psychological sense, relating to parenting, from 1931.
rejoice (v.)youdaoicibaDictYouDict
c. 1300, "to own, possess, enjoy the possession of, have the fruition of," from Old French rejoiss-, present participle stem of rejoir, resjoir "gladden, rejoice," from re-, which here is of obscure signification, perhaps an intensive (see re-), + joir "be glad," from Latin gaudere "rejoice" (see joy).

Originally sense in to rejoice in. Meaning "to be full of joy" is recorded from late 14c. Middle English also used simple verb joy "to feel gladness; to rejoice" (mid-13c.) and rejoy (early 14c.). Related: Rejoiced; rejoicing.
rejoicing (n.)youdaoicibaDictYouDict
late 14c., verbal noun from rejoice (v.). Related: Rejoicingly.
rejoin (v.1)youdaoicibaDictYouDict
also re-join, 1520s, "unite again, unite after separation" (transitive), from re- "again" + join (v.). Meaning "join the company of again" is from 1610s. Related: Rejoined; rejoining.
rejoin (v.2)youdaoicibaDictYouDict
"to answer," mid-15c., legal term, from Middle French rejoin-, stem of rejoindre "to answer to a legal charge," from Old French re- "back" (see re-) + joindre "to join" (see join). General (non-legal) meaning first recorded 1630s.
rejoinder (n.)youdaoicibaDictYouDict
mid-15c., from Middle French noun use of rejoindre (see rejoin (v.2)). Originally "defendant's answer to the replication" (the fourth stage in the pleadings in an action at common law). For noun use of infinitive in French law terms, see waiver.
rejuvenate (v.)youdaoicibaDictYouDict
1807, irregular formation from re- "again" + Latin juvenis (see young (adj.)) + -ate (2). Related: Rejuvenated; rejuvenating.
rejuvenation (n.)youdaoicibaDictYouDict
1834, noun of action from rejuvenate.
rejuvenescence (n.)youdaoicibaDictYouDict
"renewal of youth," 1630s, from Latin rejuvenescere, from re- "again" (see re-) + juvenescere "become young," from juvenis "young" (see young (adj.)) + -ence.
rejuvenescent (adj.)youdaoicibaDictYouDict
1763, from Medieval Latin rejuvenescentem (nominative rejuvenescens), present participle of rejuvenescere (see rejuvenescence).
rekindle (v.)youdaoicibaDictYouDict
1590s, from re- "back, again" + kindle (v.). Figurative use from 1650s. Related: Rekindled; rekindling.
relapse (v.)youdaoicibaDictYouDict
early 15c., "renounce;" 1560s, "fall into a former state," from Latin relapsus, past participle of relabi "slip back, slide back, sink back," from re- "back" (see re-) + labi "to slip" (see lapse (n.)). Related: Relapsed; relapsing.
relapse (n.)youdaoicibaDictYouDict
mid-15c., from relapse (v.).