Animal intestines; inwards.
And they shall eat the flesh in that night, roast with fire, and unleavened bread; and with bitter herbs they shall eat it. Eat not of it raw, nor sodden at all with water, but roast with fire; his head with his legs, and with the PURTENANCE thereof. ( Exodus 12:8-9 )
Bibliography Information"Entry for 'Purtenance'". A King James Dictionary.