LXX Gen 2:17

ἀπὸ δὲ τοῦ ξύλου τοῦ γινώσκειν καλὸν καὶ πονηρόν, οὐ φάγεσθε ἀπ’ αὐτοῦ· ἧ δ’ ἂν ἡμέρᾳ φάγησθε ἀπ’ αὐτοῦ, θανάτῳ ἀποθανεῖσθε.

but you must not eat from the tree of the knowledge of good and evil; for in the day that you eat of it, you will surely die.”