(P. a.) : ē-nītor, -nīsus or -nixus (enixus, of bodily exertion, esp. of childbirth: enisus, of labor for an end, esp. of mental effort, etc.
* V.infra), 3, v. dep. n. and act.
* Neutr.
* To force or work one's way out; or (more freq.) to force one's way up, to mount up, climb, ascend.
* Act. (perh. not ante-Aug.).
* In gen., to exert one's self, to make an effort, to struggle, strive, sc. to accomplish something.—With ut: enitare, contendas, efficias, ut, etc.,Cic. Fam. 13, 29, 5; so id. Lael. 16, 59; id. Off. 3, 10, 42; id. Rep. 2, 30; id. Att. 9, 15, 4: tantum celeritate navis enisus est, ut, etc.,Caes. B. C. 2, 6, 4: ab adulescentia ita se enisum ut ab optimo quoque probaretur,Sall. J. 22, 2; Liv. 42, 46 et saep.—With ne: illud pugna et enitere, ne, etc.,Cic. Fam. 3, 10, 3; so Sall. J. 10 fin.—Pass. impers.: ab eisdem summa ope enisum, ne tale decretum fieret,Sall. J. 25, 2.—Less commonly with inf.: corrigere mihi gnatum porro enitere,Ter. And. 3, 4, 17 Ruhnk.; so Sall. J. 14, 1; Hor. C. 3, 27, 47; id. A. P. 236.—Absol.: ego, quod potero, enitar sedulo,Ter. Heaut. 5, 4, 15; Cic. Rep. 6, 24 (twice); Quint. 7, 10, 14 al.; cf.: pro aliquo,Ter. Ph. 3, 1, 11: in aliqua re,Cic. de Or. 2, 72 fin.: ad dicendum,id. ib. 1, 4, 14: quod (acc. respect, v. A. and S. Gr. § 232, 3): quidem certe enitar,Cic. Att. 16, 6, 2; cf. id. ib. 13, 25 fin., Orell. N. cr.
* To bring forth, bear children or young: plures enisa partus decessit,Liv. 40, 4: enixa, with acc., Quint. 6 prooem. § 4; Tac. A. 2, 84; 14, 12; Suet. Tib. 4; Verg. A. 3, 391; 8, 44; Ov. M. 1, 670; 3, 344 et saep.—Absol., Quint. 5, 13, 9; Tac. A. 5, 1; Suet. Calig. 25; id. Ner. 23 al.
* To climb up, ascend a place: Pyrenaeum et Alpes et immensa viarum spatia aegre,Tac. H. 1, 23 fin.: aggerem,id. A. 2, 20: totum spatium,Col. 2, 2, 27.— Hence, ēnixus (ēnīsus), a, um
* Strenuous, earnest, zealous: faciebat enixo studio, ne, etc.,Liv. 42, 3; cf. opera (with prompta), Frontin. Strat. 2, 5, 30: virtus,Liv. 6, 24 fin.: voluntas,Dig. 31, 1, 77, § 23: enixo studio petere,Val. Max. 8, 15, ext. 1.—Comp.: opera,Sen. Ben. 6, 17; Plin. 9, 8, 9, § 32.—*
* Ēnixa, that has ceased to bear, Col. 6, 22, 1 Schneid.—Adv.
* Ēnixe, strenuously, earnestly, zealously: expeto,Plaut. Trin. 3, 2, 26: causam suscipere,Cic. Sest. 16, 38; Caes. B. C. 3, 35 fin.; Liv. 4, 26 fin.; 41; 6, 40; 26, 47: petere,Sen. Ep. 95, 2 et saep.—Comp., Liv. 29, 1; Suet. Tib. 50; id. Galb. 3: enixius orare, Greg. M. Dial. 4, 38 al.: animum imperatoris enixius deprecari,Amm. 15, 7; App. M. 2, p. 117, 20.—Sup., Suet. Caes. 5.—*
* Ēnixim, the same, Sisenn. ap. Non. 107, 19.!*? ēnixus or ēnīsus, a, um, in pass. signif.
* Born: quod in luco Martis enixi sunt,Just. 43, 2, 7.
* Impers.: ab eisdem illis regis fautoribus summa ope enisum, ne tale decretum fieret, striven to their utmost to prevent, etc., Sall. J. 25, 2.

s. TLL