νή
βωμὸν Ἀριστοτέλης ἱδρύσατο τόνδε Πλάτωνος, ἀνδρὸς ὃν οὐδ' αἰνεῖν τοῖσι κακοῖσι θέμις → Aristotle had this altar of Plato set up — Plato, a man whom the wicked dare not even mention in praise
English (LSJ)
Particle of strong affirmation, with acc. of the divinity invoked, once in Trag.,
A ν. τὼ Λαπέρσα, ν. τὸν Εὐρώταν τρίτον, ν. τοὺς ἐν Ἄργει καὶ κατὰ Σπάρτην θεούς S.Fr.957; freq. in Com. and Prose, esp. in the phrase νὴ Δία, Ar.Eq.319, Th.240, etc.; with the Art., ν. τὸν Δία Id.Pl.202, Antiph.179.3, etc.; with the names of other gods, usu. c. Art., ν. τὴν Δήμητρα Pherecr.24; ν. τὴν Ἀθηνᾶν Ar.Pax218; ν. τὸν Ἀπόλλω Id.Ec.160; ν. τὴν Ἄρτεμιν ib.90; ν. τὸν Ποσειδῶ Id.Nu.83, Eup.265; ν. τὼ θεώ (Demeter and Cora) Ar.Lys.51, Men.Georg.24 (a woman's oath, acc. to Phryn.171; ν. τὼ σιώ (of the Dioscuri) used by a Spartan, Plu.2.234f); ν. τὴν Ἥραν Pl.Phdr.230b; ν. τὴν Ἑστίαν Antiph.185; ν. τὴν Ἀφροδίτην Ar.Ec.189, Nicostr.Com.35; ν. τὸν κύνα, v. κύων 1 fin.; ν. τοὺς θεούς Ar.Pl.74, Pl.R.531a, al.; ν. θεούς Hp. Ep.17; ν. τόν alone, Ph.2.271. II ν. (τὸν) Δία is also used, 1 in answering questions, X.Cyr.1.3.6, Pl.Prt.312a, etc.: in a supposed answer from antagonists, folld. by γάρ, D.8.16. 2 in introducing objections or contentions supposed to come from antagonists, folld. by γάρ, Id.19.285; folld. by ἀλλά, Id.18.117, 19.272; preceded by ἀλλά, X.HG7.3.10, Mem.1.2.9, D.24.125, al. 3 to add force by way of climax, ἄλλως τε μέντοι ν. Δία πάντως καὶ . . Pl.Ap.35d, cf. X.HG1.7.21. 4 in adjurations, Ar.Av.661, Ra. 164.