per-tĭnax — Lewis & Short
per-tĭnax, ācis, adj.tenax,
I that holds fast, that clings firmly, very tenacious.
I Lit. (only poet. and in post-Aug. prose):
digitus male pertinax,Hor. C. 1, 9, 24:
ales unguibus pertinax,App. Flor. p. 366: tenaxne pater ejus est? Ph. Pater immo edepol pertinax, exceedingly avaricious, Plaut. Capt. 2, 2, 39.—
B Transf., that lasts long, very durable:
spiritus,Plin. 10, 29, 43, § 81:
siligo in Allobrogum agro pertinax,id. 18, 8, 20, § 85.—
II Trop., firm, constant, steadfast, persevering, unyielding; in a bad sense, obstinate, pertinacious, stubborn (cf. pervicax); constr. absol., with in and abl.; also (rare and not ante-Aug.) with in and acc., adversus and acc., ad and acc.; also (post-Aug.) with gen., Att. ap. Non. 433, 6 sq.:
concertationes in disputando pertinaces,Cic. Fin. 1, 8, 27 sq.:
pertinacissimus fueris, si, etc.,id. ib. 2, 33, 107:
valde pertinax,id. ib. 2, 3, 9:
pertinax fama,Plin. 24, 17, 101, § 159:
studium, Quint. Inst. prooem.: certamen,Liv. 2, 40:
stare pertinaci statu,Gell. 2, 1, 2:
octoginta milia fortissimae pertinacissimaeque in retinendis armis juventutis,Vell. 2, 27, 1:
pertinax virtus,Liv. 25, 14:
pertinax adversus temerarios impetus,id. 28, 22, 14:
pertinacior in repugnando,id. 29, 33:
pertinax ad obtinendam injuriam,id. 29, 1, 17:
in quod coepit pertinax et intenta,Sen. Ira, 1, 1, 2.—
(b) Poet., with inf.:
fortuna ... Ludum insolentem ludere pertinax,Hor. C. 3, 29, 51.—
(g) With gen.:
justitiae,App. Mag. p. 338, 34:
irae,Val. Max. 6, 3, 3.—Hence, adv.: pertĭnācĭter.
A Very fast or firmly, very tenaciously, persistently:
haec ipsa magis pertinaciter haerent, quo deteriora sunt,Quint. 1, 1, 5; Suet. Tib. 74:
pertinacius resistere,Plin. 16, 43, 83, § 227:
pertinacissime retinere,id. 33, 6, 32, § 100. —
B Constantly, firmly, steadily, perseveringly; obstinately, stubbornly, pertinaciously:
pertinaciter liberalibus studiis deditus,Suet. Claud. 40 fin.:
pertinaciter in aliquā re manere,Varr. R. R. 1, 20: pertinaciter offensus, Planc. ap. Cic. Fam. 10, 23, 1:
contendere,Suet. Caes. 1:
studere,Sen. Ep. 5, 1.—Comp.:
pertinacius insequi,Hirt. B. G. 8, 13.—Sup.:
pertinacissime pabulo abstinere,Suet. Caes. 81 med.; id. Ner. 56.—
III Pertĭnax, ācis, m., surname of the emperor P. Helvius, who succeeded Commodus on the throne, Capitol. Pert. 1; Aur. Vict. Epit. 18.