Endegen

käfär - lip (EDG 345)

PES
*kanpar- - lip; tip of the nose (SED I No. 146; Kogan 2011: 222)
Borrowing from Eth. to Cush. or vice versa is possible, though a wide spread of the term in question in both Eth. and Cush. is rather against this assumption (see discussion in [CDG 287])