elapse (v.)youdaoicibaDictYouDict
1640s, from Middle French elapser, from Latin elapsus, past participle of elabi "slip or glide away, escape," from ex- "out, away" (see ex-) + labi "to slip, glide" (see lapse (n.)). The noun now corresponding to elapse is lapse, but elapse (n.) was in recent use. Related: Elapsed; elapsing.
recidivist (n.)youdaoicibaDictYouDict
"relapsed criminal," 1863, from French récidiviste, from récidiver "to fall back, relapse," from Medieval Latin recidivare "to relapse into sin," from Latin recidivus "falling back," from recidere "fall back," from re- "back, again" (see re-) + comb. form of cadere "to fall" (see case (n.)). Recidivation in the spiritual sense is attested from early 15c., was very common 17c.
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.