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The word quinguaginta could not be parsed. Trying a normal dictionary lookup:
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quingēnārĭus, a, um, adj. [quingeni].
quingēni, ae, a, num. distr. adj. [quingenti].
quingentārĭus, a, um, adj. [quingeni], consisting of five hundred (post-class.): cohors, Veg. Mil. 2, 6.
quingentēni, ae, a, num. distr. adj. [id.], = quingeni, Vulg. 2 Macc. 8, 22.
quingentēsĭmus, a, um, adj. [quingeni], the five hundredth (class.): annus, Cic. Fl. 1, 1; so Plin. 15, 1, 1, § 2.
quingenti (old orthogr. quincenti, acc. to Fest. p. 254 Müll.), ae, a (gen. plur. quingentum, Liv. 10, 37, 5, etc.: quingentorum, Tac. A. 6, 34; Just. 2, 11), num. adj. [quinque-centum].
quingentĭes (-tĭens), adv. [quingenti], five hundred times: quingentiens mille, Vitr. 1, 6.
Of money: quingentiens HS., fifty millions of sesterces, Cic. Verr. 2, 2, 38, § 93: miliens et quingentiens, Suet. Aug. 101; id. Galb. 5.