Ebla

áš-kà-lum, iš₁₁-kà-um - bunch of grapes (VE 660; Zurro 1983: 266; Catagnoti 2008: 179)

the Sumerian equivalent is še.geštin

PS
*ˀVṯkāl- - cluster, bunch (of grapes etc.) (Kogan 2011: 204, Kogan 2012: 256–257)