μηδείς i. e. μηδὲ εἷς, μηδὲ μία, μηδὲ ἕν
2.μηδὲ εἷς, which (so written) is never elided even in attic, retained the first emphatic sense not even one, and often had a Particle between, as μηδ᾽ ἂν εἷς, or a prep., μηδ᾽ ἐξ ἑνός, μηδὲ περὶ ἑνός etc., Plat.
II.nobody, naught, good for naught, ὁ μηδείς Soph.; pl., οὐ γὰρ ἠξίου τοὺς μηδένας id=Soph.:— so, μηδέν or τὸ μηδέν often as Subst., naught, nothing, id=Soph.; μηδὲν λέγειν to say what is naught, Xen.; τοῦ μηδενὸς ἄξιος Hdt.; ἐς τὸ μηδὲν ἥκειν Eur.;—and of persons, τὸ μηδέν a good for naught, τὸ μηδὲν εἶναι of an eunuch, Hdt.; τὸ μ. ὄντας Soph.
III.neut. μηδέν as adv. not at all, by no means, Aesch., etc.
