δεῖνα, ὁ, ἡ, τό, genitive δεῖνος, dative δεῖνι, accusative δεῖνα: sometimes indeclinable (see. below): nominative δεῖν, ὁ, Refs 5th c.BC+:— such an one, so-and-so, always with Article, ὁ δεῖνα Refs 5th c.BC+; τὸ δ., euphemistic for τὸ πέος, Refs 5th c.BC+ do you eat such a fish? Refs 4th c.BC+ mine or some other's, Refs 4th c.BC+ __II τὸ δ. in Comedy texts as an interjection to express an idea which suddenly strikes one, by the way, mark you, Refs 5th c.BC+