For the genitive case of hostis (as adverb); during which same time, i.e. Whilst -- whiles.
see GREEK hostis
Luke 12:50 RelPro-GNSBIB: συνέχομαι ἕως ὅτου τελεσθῇ INT: I am distressed until while it be accomplished
Luke 13:8 RelPro-GNSBIB: ἔτος ἕως ὅτου σκάψω περὶINT: year until when I shall dig about
Luke 22:16 RelPro-GNSBIB: αὐτὸ ἕως ὅτου πληρωθῇ ἐνINT: thereof until when it be fulfilled in
John 9:18 RelPro-GNSBIB: ἀνέβλεψεν ἕως ὅτου ἐφώνησαν τοὺςINT: received sight until when they called the
5 Occurrences