*kapp- - palm (SED I No. 148, Kogan 2011: 223)

is missing only from ES

Akkadian

kappu - arm, hand (CAD K 185, AHw. 444)

Ugaritic

kp - palm (DLU 221)

Hebrew

kap - the hollow, the flat of the hand (HALOT 491)

Jewish Palestinian Aramaic

kap - palm, hand (Jastrow 657, DJPA 266)

det. kappā

Syriac

kappā - palm (LSyr. 339, SL 641)

Mandaic

kapa - hand, palm of hand, handful (MD 200)

Maalula

kaffa - palm of hand (GNDM 49)

Arabic

kaff- - palm, hand (BK 2 910, Lane 3001)

Geez

kāf - heel, palm of hand, sole of foot (CDG 276)

probably related

Mehri

kaf - palm of hand (ML 204)

Jibbali

kεf - palm of hand (JL 127)

Harsusi

kəf - palm of hand (HL 67)