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dūro, āvi, ātum, 1, v. a. and n. [durus], to make hard, to harden (mostly ante-class. and post-Aug.; not in Cic.).

I. Lit.

(a). Act.: quae nobis durata ac spissa videntur, Haec, etc., Lucr. 2, 444; so in the part. perf.: coria (with condurare ferrum), id. 6, 970; cf. cutis, Ov. M. 4, 577: caementa calce (opp. interlita luto), Liv. 21, 11: ova in aqua, Plin. 29, 3, 11, 45: pontus frigore, Ov. P. 4, 9, 85: nives solo, Hor. C. 3, 24, 39: aqua salibus, i. e. strongly saturated, Col. 7, 4 fin., v. durus, I.: ungulas (mularum), id. 6, 37, 11: ferrum ictibus, Plin. 34, 15, 43, 149: guttas in grana, id. 12, 19, 42, 94: uvam fumo, i. e. to dry, preserve, Hor. S. 2, 4, 72.—In medic. lang.: corpus, i. e. to bind, make costive, opp. mollire, Cels. 2, 14; cf. id. 2, 33 fin.—In fullers' lang., to harden, stiffen or full cloth: Art. Non queo durare. Par. Si non didicisti fulloniam, non mirandumst, Plaut. As. 5, 2, 57 (with a punning reference to the meaning II. A. 2.).—

(b). Neutr.: tum durare solum et discludere Nerea ponto Coeperit, i. q. durescere, Verg. E. 6, 35; so, vino minime durante, uva maxime, Plin. 14, 3, 4, 37.—

II. Trop.

A. (Acc. to durus, II. A. 2.).

1. Act., to harden with use or labor, etc.; to make hardy or callous, to inure (class.): opere in duro membra manusque, Lucr. 5, 1359; cf.: membra animumque, Hor. S. 1, 4, 119: umeros ad vulnera, Verg. G. 3, 257: hoc se labore durant homines adolescentes, Caes. B. G. 6, 28, 3; cf.: exercitum crebris expeditionibus, patientiaque periculorum, Vell. 2, 78, 2: cor, Plaut. Ps. 1, 3, 6; cf. mentem, Tac. A. 3, 15 al.: ab duratis usu armorum pulsi, Liv. 7, 29; so in the part., id. 23, 18; 30, 28: durati bellis, id. 42, 52: vitia durantur, grow inveterate, Quint. 1, 1, 37.—

2. Neutr. (so most freq.), to be hardened, inured to troubles, i. e. to be patient, to wait, persevere; to endure, hold out: durare nequeo in aedibus, Plaut. Am. 3, 2, 1; cf. id. Men. 5, 2, 31; Ter. Ad. 4, 2, 15; Liv. 5, 2, 7; 38, 7 fin.; Quint. 11, 3, 23; Verg. A. 9, 604; Hor. Ep. 1, 1, 82 al.; cf. impers., Liv. 10, 46: durate et vosmet rebus servate secundis, Verg. A. 1, 207; cf. Suet. Calig. 45; Auct. ap. Quint. 9, 2, 91; Ov. Am. 3, 11, 27 al.: nequeo durare, quin, etc., Plaut. Curc. 1, 3, 22: durare nequeo quin intro eam, id. Mil. 4, 6, 34; Suet. Claud. 26.—

(b). With acc., to bear, endure (poet. and in post-Aug. prose): patior quemvis durare laborem, Verg. A. 8, 577: quascumque vias, Stat. S. 5, 2, 153; and of inanimate subjects: sine funibus Vix durare carinae Possunt imperiosius Aequor, Hor. C. 1, 14, 7; cf.: (vitis genus) quod siccitatem durat et ventos, Pall. Febr. 9, 1.—

(g). With inf.: non quis parumper durare opperier, Plaut. Truc. 2, 3, 5.—

b. In gen., to hold out, to continue in existence, to last, remain (very freq.): Ar. Ubi illaec (talenta) quae dedi ante? Cl. Abusa. Num si ea durarent mihi, etc., Plaut. As. 1, 3, 44: uti quam diutissime durent oleae, Cato R. R. 58; 104; Varr. R. R. 1, 59, 3: omnem durare per aevom, Lucr. 3, 605; cf. id. 3, 812; Verg. G. 2, 100; Suet. Calig. 6 al.: neque post mortem durare videtur (corpus), Lucr. 3, 339; cf. ib. 561: ad posteros virtus durabit, Quint. 3, 1, 21; cf. id. 1, 11, 18; 3, 1, 9; 5, 11, 41: maneat quaeso duretque gentibus, si non amor nostri, at certe odium sui, Tac. G. 33: durante originis vi, id. Agr. 11; cf. Petr. 96, 3: durante bello, Tac. A. 14, 39; so with adhuc, Suet. Gramm. 24; cf.: munera, quibus donatus est, durant, ostendunturque adhuc Bais, are still in existence, id. Tib. 6 et saep.—With inf.: ut vivere durent, Luc. 4, 519; so Sil. 10, 653; 11, 75; Petr. 41, 2.—In Tacitus sometimes of persons, for vivere, to live: narratum ab iis, qui nostram ad juventam duraverunt, Tac. A. 3, 16; id. Or. 17; id. Agr. 44. And once in the same author (acc. to the better reading) of extension in space: durant colles (= continuantur, ultra porriguntur; French, s'y prolongent), extend continuously to the frontier, Germ. 30.—

B. (Acc. to durus, II. B.)

1. Act., to render hard, callous, insensible; to dull, to blunt (rare and perh. not ante-Aug.): aerea dehinc ferro (Juppiter) duravit saecula, Hor. Epod. 16, 65: ad plagas durari, Quint. 1, 3, 14 (cf. 12: quae in pravam induruerunt): ad omne facinus durato, Tac. H. 4, 59.—Of the affections, Vulg. Job, 39, 16.—Pass.: linguae vitia, inemendabili in posterum pravitate durantur, to become confirmed, incurable, Quint. 1, 1, 37.—

2. Neutr., to be hard, stern, callous, insensible (rare and not ante-Aug.): ut non durat (pater) ultra poenam abdicationis, Quint. 9, 2, 88: in nullius umquam suorum necem duravit, Tac. A. 1, 6; Petr. 105 fin.; cf.: usque ad caedem ejus duratura filii odia, Tac. A. 14, 1 fin.