Καὶ ἐπιθήσεις τὸ ἱλαστήριον ἐπὶ τὴν κιβωτὸν ἄνωθεν· καὶ εἰς τὴν κιβωτὸν ἐμβαλεῖς τὰ μαρτύρια, ἃ ἂν δῶ σοι.
And you shall put the propitiatory on the ark above; and you shall put into the ark the witnesses whichever I shall give to you.
ונתת את־הכפרת על־הארן מלמעלה ואל־הארן תתן את־העדת אשׁר אתן אליך׃
* Exodus 25:21 = Exodus 25:20 in other LXX editions
* propitiatory OR mercy seat OR atonement-seat
* witnesses OR testimonies