inverse (adj.)youdaoicibaDictYouDict
mid-15c., from Latin inversus, past participle of invertere (see invert). Related: Inversely. As a noun, 1680s, from the adjective.
inversion (n.)youdaoicibaDictYouDict
1550s, from Latin inversionem (nominative inversio) "an inversion," noun of action from past participle stem of invertere (see invert).
invert (v.)youdaoicibaDictYouDict
1530s, from Middle French invertir or directly from Latin invertere "turn upside down, turn about," from in- "in, on" (see in- (2)) + vertere "to turn" (see versus). Related: Inverted; inverting; invertedly.