hallowed = separated. See note on "holy", Exo_3:5.
man. Hebrew. 'adam. See App-14.
I am the LORD. This is the reason for this act of sovereignty. Compare Exo_12:29, Exo_12:30; Exo_13:2. The interpretation of Heb_12:23 depends on this ordinance. Note the emphatic "I", Num_3:12, and the Figure of speech Asterismos there.