PS

*ḳapy- - occiput, back of the head (SED I No. 164)

Meanings diverse; probable semantic shift as ‘back of the head’ > ‘head’ > ‘forehead’ (S.­E.Eth.) and ‘back of the head’ > ‘back’ (MSA)

Syriac
ḳāp(ə)yā - back side of the cervical (LSyr. 683)
ḳəpāyā, ḳappāyā
Arabic
qafaⁿ - behind the neck, nape; back of the head, occiput (BK 2 792)
Geez
ḳaf - shoulder blade (CDG 423)
Harari
ḳafat - forehead (EDH 122)
Also in Ancient Har., Cerulli 1936:428.
Selti
ḳäfät - forehead (EDG 473)
Wolane
ḳäfät - forehead (EDG 473)
Zway
ḳäfät - forehead (EDG 473)
Mehri
ḳəfē - back (ML 226)
Jibbali
ḳέfέ - back (JL 142)
Harsusi
ḳefē - back (HL 74)