From nabel; a flabby thing, i.e. A carcase or carrion (human or bestial, often collectively); figuratively, an idol -- (dead) body, (dead) carcase, dead of itself, which died, (beast) that (which) dieth of itself.
see HEBREW nabel
H5038. nebelah
נְבֵלָה noun feminine carcass, corpse (as inert, flabby); — ׳נ absolute 1 Kings 13:24 +; construct נִבְלַת 13:29 +; suffix נְבֵלָתִי Isaiah 26:19; נִבְלָֽתְךָ Deuteronomy 28:26; 1 Kings 13:22; נֵבְלָתוֺ + Josh 82:9 6t.; נִבְלָתָהּ Leviticus 11:39-40, (twice in verse); נִבְלָתָם Isaiah 5:25 14t.; — carcass, corpse:
1. a. human (not in Ezekiel, P, (H), which use מֶּגֶר); Joshua 8:29 (JE), 1 Kings 13:22, 24 (twice in verse); 13:25 (twice in verse); 13:28 (3 t. in verse); 13:29-30, 2 Kings 9:37; Jeremiah 26:23; 36:30; Deuteronomy 21:23; 28:26; collective corpses Isaiah 5:25; 26:19 (wish for restoration to life), Jeremiah 7:33; 9:21; 16:4; 19:7; 34:20; Psalm 79:2.
b. of lifeless idols, collective וגו שִׁקּוּצֵיהֶם ׳נִבְלַת Jeremiah 16:18.
2 of animals (clean and unclean, wild animals, cattle, birds and reptiles, chiefly Leviticus, Ezekiel), Deuteronomy 14:8; Leviticus 5:2 (3 t. in verse); 11:8, 11, 24, 25, 27, 28, 35, 36, 37, 38; 17:15 (all P); ׳נ specifically = body of animal dying of itself Deuteronomy 14:21; Leviticus 7:24; 11:39-40, (twice in verse) (P), 22:8 (H), Ezekiel 4:14; 44:31.