Eat it within your gates; both the ceremonially unclean and clean may eat it as they would a gazelle or a deer.
Here is, 1. A repetition of the law concerning the firstlings of their cattle, that, if they were males, they were to be sanctified to the Lord (Deu 15:19), in remembrance of, and in thankfulness for, the sparing of the first-born of Israel, when the first-born of the Egyptians, both of man and beast, were slain by the destroying angel (Exo 13:2, Exo 13:15); on...
Commenting on Deuteronomy 15:19-23
Thou shalt eat it within thy gates,.... Though it might not be sacrificed, nor eaten as an eucharistic feast at Jerusalem, it might be eaten as common food in their own houses: the unclean and the clean person shall eat it alike; such as were ceremonially unclean, by the touch of a dead body or the like, might partake of it with those that were...
Thou shalt eat it within thy gates: the unclean and the clean [person shall eat it] alike, as the roebuck, and as the hart. (i) You will eat them, as well as the roe buck and other wild beasts.