Is the eating of tanned animal hide permissible?
Chapter on Utensils
Al-Mughni
Book of Purification
Primary text
Eating the hide of an animal after it has been tanned is forbidden, according to the majority of scholars. The primary evidence for prohibition is the divine decree that prohibits the consumption of carrion (maytah), as stated in the Quran, specifically referencing the prohibition of eating the dead animal (Quran 5:3). Furthermore, the Prophet, peace be upon him, stated that only the eating of the dead animal is prohibited. Since the hide is a part of the dead animal, its consumption is prohibited like all other parts. The fact that tanning renders it pure (tahir) does not necessitate its permissibility for consumption, as purity does not equate to permissibility for eating, demonstrated by impure things that do not become defiled by death.
Supporting text
A view attributed to Ibn Hamid, which is also considered a position within the Shafi'i school, permits eating the tanned hide. This is based on the Hadith: "The tanning of hide is its slaughter (dhabh)" and by analogy, because tanning introduces a quality of purity to the skin, thus permitting consumption akin to ritual slaughter.