Commento su Levitico 21:11

'ועל כל נפשת מת וגו‎‎ means, he shall not go into a tent wherein is a corpse.

A tent [which is over a] dead body. I.e., because it is written “he shall not enter,” and entering is not applicable except into something that has an interior.

ועל כל נפשות מת לא יבא, “he shall not go to make contact with any corpse.” This is a warning to the High Priest not to be in the same covered airspace with any corpse. Seeing that this could have been derived already from the previous verse, it is clear that here the Torah includes ordinary priests in this legislation also. The linkage known as g’zeyrah shava, is established by the word יבא which is used here in connection with the High Priest, followed by the unnecessary