Deuteronomy 14:3

“Thou shall not eat any abominable thing.] That is so either in its own nature, or because forbidden by the Lord; what are such are declared in the following verses.”

“WHAT MAY BE EATEN, AND WHAT NOT. (Deu. 14:3-21) Thou shalt not eat any abominable thing--that is, anything forbidden as unclean (see on Lev 11:1).”

“Compare Leviticus 11:0. The variations here, whether omissions or additions, are probably to be explained by the time and circumstances of the speaker. Deuteronomy 14:5 The “pygarg” is a species of gazelle, and the “wild ox” and “chamois” are swift types of antelope. Deuteronomy 14:21 The prohibition is repeated from Leviticus 22:8. The directions as to the disposal of the carcass are unique to Deuteronomy, and their motive is clear. To have forbidden the people either themselves to eat that which had died, or to allow any others to do so, would have involved loss of property, and consequent temptation to an infraction of the command. The permissions now for the first time granted would have…”

“Abominable - Unclean and forbidden by me, which therefore should be abominable to you. Deuteronomy 14:22”

“Lev 11:43, Lev 20:25; Isa 65:4; Eze 4:14; Act 10:12-14; Rom 14:14; Co1 10:28; Tit 1:15 Deuteronomy 14:4”

“With reference to food, the Israelites were to eat nothing whatever that was abominable. In explanation of this prohibition, the laws of Lev 11 relating to clean and unclean animals are repeated in all essential points in vv. 4-20 (for the exposition, see at Lev 11); also in Deu 14:21 the prohibition against eating any animal that had fallen down dead (as in Exo 32:30 and Lev 17:15), and against boiling a kid in its mother's milk (as in Exo 23:19). Deuteronomy 14:22”