Parallel
Exodus 19:22
Rahlfs Septuagint (1935) · Berean Standard Bible
καὶ οἱ ἱερεῖς οἱ ἐγγίζοντες κυρίῳ τῷ θεῷ ἁγιασθήτωσαν μήποτε ἀπαλλάξῃ ἀπ᾿ αὐτῶν κύριος
Even the priests who approach the LORD must consecrate themselves, or the LORD will break out against them.”