ἐρῶ the place of the pres. εἴρω (rare even in epic and never in attic) is supplied by φημί, λέγω or ἀγορεύω; and εἶπον serves as the aor.
I.I will say or speak, attic: c. acc. pers. to speak of, κακῶς ἐρεῖν τινα Theogn., Eur.; c. dupl. acc., ἐρεῖν τινά τι id=Eur., etc.
II.I will tell, proclaim, Il., etc.; φόως ἐρέουσα to announce the dawn, id=Il.; ἐπὶ ῥηθέντι δικαίωι upon clear right, Od.
3.to tell, order one to do, c. dat. et inf., Xen.; c. acc. et inf., id=Xen.:—so in Pass., εἴρητό οἱ, c. inf., orders had been given him to do, Hdt.
III.in Pass. to be mentioned, id=Hdt.