ἀντᾴδω
From LSJ
Δύο γὰρ, ἐπιστήμη τε καὶ δόξα, ὧν τὸ μὲν ἐπίστασθαι ποιέει, τὸ δὲ ἀγνοεῖν → Two different things are science and belief: the one brings knowledge, the other ignorance
English (LSJ)
A sing in answer, esp. of the partridge, answer when another calls, ἀ. ὡς μαχούμενος Arist.HA614a11, cf. Mir.845b25, Ael.NA4.16; ἀ. Μούσαις Luc.Pisc.6; τοῖς φθεγγομένοις Plu.2.794c; cry out at one, ἐγὼ δ', ἢν τοῦτο δρᾷς, ἀντᾴσομαι Ar.Ec.887:—Pass., στροφῇ ἀντᾳσθῆναι Poll.4.112.
