defio
defio, to run out, be wanting (passive of deficio)
Could not find defiunt in Logeion dictionaries.
defiunt Verb: present active indicative 3rd plural of defio
dēfīo, ĕri, v. deficio.
dē-fio, fierī, Passiv zu deficio (s. Prisc. 8, 34), a) dahinschwinden, ausgehen, aufhören, abnehmen, ita animus per oculos meos meus defit, Plaut. mil. 1261: defit calori congregatio ac rursus eruptio, Sen. nat. qu. 6, 13, 6: eadem autem, quae crescente lunā gliscunt, deficiente contra defiunt, Gell. 20, 8, 5. – b) ausgehen, abgehen, mangeln, fehlen (Ggstz. superesse), neque defiat (obsonium) neque supersit, Plaut. Men. 221: aliis quia defit quod amant aegre est; tibi quia superest dolet, Ter. Phorm. 162: nil quom est, nil defit tamen, Ter. eun. 243: et nullo vacuus tempore defit amor, Prop. 1, 1, 34: numquamne causa defiet, cur victi pacto non stetis? Liv. 9, 11, 6: si (sal) defit, Vitr. 5, 9, 8: si quid forte in corpore defit spiritus, Vitr. 8. praef. § 3: donec sentiret sensum defieri, Sen. contr. 2, 6 (14), 8: cum viderent multa ad splendorem domus atque victus defieri, Gell. 1, 14, 1. – m. Dat. (wem?), pol mihi fortuna magis nunc defit quam genus, Enn. fr. scen. 354: id unum incommodis defit meis, Acc. tr. 350: nihil apud me tibi defieri patiar, Ter. Hec. 768: lac mihi non aestate novum, non frigore defit, Verg. ecl. 2, 22: magna fecundis cum messibus area defit, Priap. 53, 3 M. m. cod. Vat. (Bücheler desit). – c) der Zeitdauer nach nicht ausreichen, zu kurz sein, omnia iterum vis memorari, scelus, ut defiat dies, Plaut. rud. 1107.
See: defieri
defio dēfit, etc., rare passive for deficior.