Ebla

li-la-šu - Sum. NÌ.Ì.GÚG (VE 68; Conti 1990: 68)

probably related; points to *ṯ in the protoform

PS
*lwš - to knead (Fronzaroli 1971: 619, 633, 640–641; Kogan 2011: 242)