Parallel
Exodus 17:11
Rahlfs Septuagint (1935) · Berean Standard Bible
καὶ ἐγίνετο ὅταν ἐπῆρεν Μωυσῆς τὰς χεῖρας κατίσχυεν Ισραηλ ὅταν δὲ καθῆκεν τὰς χεῖρας κατίσχυεν Αμαληκ
As long as Moses held up his hands, Israel prevailed; but when he lowered them, Amalek prevailed.