ἕως
I. "until, till", Lat. donec, dum, Hom.:—in Hom. sometimes used = τέως, "for a time":—to express a fact, ἕως is foll. by Ind., εἷος φίλον ὤλεσε θυμόν Il.; when the event is uncertain, by the opt., ἕως ὅ γε μιγείη "till" he should reach, Od.
b. ἕως ἄν or κε with Subj., relating to an uncertain event in "future" time, μαχήσομαι, εἵως κε κιχείω "till" I find, Il.
2. "while, so long as", εἵως πολεμίζομεν Od.; ἕως ἔτι ἐλπίς [ἦν] Thuc.
II. as adv., Lat. usque, mostly with Advs. of Time, ἕως ὅτε, Lat. usque dum, till the time when, Xen.; so, ἕως οὗ Hdt.; ἕως ὀψέ "till" late, Thuc.:—c. gen., ἕως τοῦ ἀποτῖσαι "till" he made payment, ap. Aeschin.