Tigrinya

ṭäbḥe - to skin, slay; to slaughter; to operate on (TED 2453)

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