Tafsiran Keluaran 19:22: Rashi, Chizkuni, Ramban & Or HaChaim

וגם הכהנים AND THE PRIESTS ALSO — the first born sons also, through whom the sacrificial service was carried out (Zevachim 115b),

וגם הכהנים וגו׳, “and also the priests, etc.” who were these “priests?” They were the seventy elders who are all firstborns at the same time. (compare Mechilta on בחדש הזה Exodus chapter 12). [Seeing that at this time the tribe of Levi had not yet been chosen to replace the functions of the firstborns. Ed.]

AND THE PRIESTS ALSO, THAT COME NEAR TO THE ETERNAL. I.e., who offer the sacrifices to the Glorious Name²⁵⁹Deuteronomy 28:58. and who come near to Him with them. [They also must sanctify themselves and not go outside of their designated place.]

‘הנגשים אל ה WHO MAY DRAW NIGH UNTO THE LORD to offer sacrifices — let them also not rely upon their rank and ascend the mountain, but