Akkadian

ḳiššû - melon, gourd, cucumber (a member of the genus Cucurbitaceae) (CAD Q 271, AHw. 923)

Kogan 2012a:252f.

PS
*ḳVṯ(ṯ)Vˀ- - (a plant belonging to cucurbits) (Fronzaroli 1969b: 6, 25, 32)