A.as prep. with gen., more than, and so except, save, Od., Hdt.; ὑπεγγύους πλὴν θανάτου liable to any punishment save, short of, death, Hdt.; ἐπιτρέψαι περὶ σφῶν αὐτῶν πλὴν θανάτου save in respect of death, Thuc.
B.as adv.:
I.with single words and phrases, when a negat. precedes, οὐκ οἶδα πλὴν ἕν Soph., etc.:—after πᾶς, πάντες, ἕκαστος, and the like, παντὶ δῆλον πλὴν ἐμοί Plat.; πᾶς is sometimes omitted, θνήσκουσι [πάντες] πλὴν εἷς τις Soph.; after ἄλλος, τί ἄλλο πλὴν ψευδῆ what else but lies, id=Soph.; after a comp., like ἤ, than, ταῦτ᾽ ἐστὶ κρείσσω, πλὴν ὑπ᾽ Ἀργείοις πεσεῖν Eur.
II.often joined with other Particles:
1.πλὴν εἰ, πλὴν ἐάν, Lat. nisi si, πλὴν εἴ τις κωμῳδοποιὸς τυγχάνει ὤν Plat.; πλὴν ὅταν Aesch., etc.:—the Verb is often omitted, as with ὡσεί, ὡσπερεί, οὐδεὶς οἶδεν, πλὴν εἴ τις ὄρνις Ar.
3.πλὴν οὐ, only not, ἀπέπεμπε κήρυκας ἐς τὴν Ἑλλάδα, πλὴν οὐ ἐς Ἀθήνας Hdt.; πάντες πλὴν οὐχ οἱ τύραννοι Xen.