LXX Gen 2:3

καὶ ηὐλόγησεν ὁ θεὸς τὴν ἡμέραν τὴν ἑβδόμην καὶ ἡγίασεν αὐτήν, ὅτι ἐν αὐτῇ κατέπαυσεν ἀπὸ πάντων τῶν ἔργων αὐτοῦ ὧν ἤρξατο ὁ θεὸς ποιῆσαι.

Then God blessed the seventh day and sanctified it, because on that day He rested from all the work of creation that He had accomplished.