Amharic

ṭäbba - to dismember, butcher, cut up the carcass of a butchered animal (AED 2141)

PS
*ṭbḥ/*ṭbḫ - to slaughter (CDG 586; HALOT 368)
for the connection between ‘slaughter’ and ‘cook’ see Fronzaroli 1972, vii, 620 (CDG 586)