τηλοῦ
εἰ ἀποκρυπτόντων τῶν Μήδων τὸν ἥλιον ὑπὸ σκιῇ ἔσοιτο πρὸς αὐτοὺς ἡ μάχη καὶ οὐκ ἐν ἡλίῳ → if the Medes hid the sun, the battle would be to them in the shade and not in the sun
English (LSJ)
Adv.
A afar, far away, in a far country, Hom., Hes., and later Ep.; τηλοῦ ἐπ' Ἀλφειῷ Il.11.712; τ. τῶν ἀγρῶν in a far-away corner of the country, Ar.Nu.138. b of Time, long ago, of old, οὐ γάρ σε . . ἀρχεύοντα νέον γεινώσκομεν ἀλλ' ἔτι τ. Epic.Oxy.1015.13; ἐξέτι τ. since olden times, IG5(2).173.1 (Tegea, iv B.C.); so perh. Ὀδυσῆΐ γε τ. ἀπώλετο νόστιμον ἦμαρ Od.17.253: c. fut., οὐδέ τι τ. ὄψεαι Opp.H.2.495. 2 c. gen., mostly, far from, Od.13.249, 23.68 (also τηλοῦ ἀπὸ . . Hes.Th.302); rare in Trag., τ. σέθεν, far from thee, E.Cyc.689. (Opp. ἀγχοῦ, ἄγχι. An obs. Adj. τηλός may be taken as the source whence come the Advbs. τηλοῦ, τηλοῖ, τηλόθι, τηλόθεν, τηλόσε, τηλοτέρω, τηλοτάτω, and Adj. τηλότερος; also τηλύς, whence τήλιστος: a form τῆλυ = τῆλε is recognized by A.D.Pron.54.28, and occurs in τηλύ-γετος: an Aeol. form πήλυι, cited by Priscian.Inst.1.6.37, Theognost.Can.160, is restored in Sapph.1.6, where however πήλοι, which is v.l. and is recommended by A.D.Adv.197.15, shd. perh. be read.)