τῷ πυρὶ τῆς ὁδοῦ τεκμαιρόμενοι → judging of the road by the fire
εἰρέαται: Ἰων, γ΄ πληθ. παθ. πρκμ. τοῦ ἐρῶ.
3ᵉ pl. pf. Pass. ion. de εἴρω².
v. λέγω.