Akkadian

ḫalāpu - to milk (CAD Ḫ 36, AHw. 309)

West Semitism: obvious Aramaic loanword (Abraham–Sokoloff 2011:33)

PWS
*ḥalab- - milk (Fronzaroli 1971: 613; Fronzaroli 1969: 19, 30, 35; Kogan 2011: 240)