From Akkadian zūzu, "half shekel", but note that in the cited JLA passage it renders MT "quarter-shekel". Page refs. in other dictionaries: DJPA: 173b; DJBA: 402a; Jastrow: 385; Levy Ch-W: 1:215; Tal Sam: 225; DNWSI: 308; DJA: 46b; Cook,Qumran: 70;
šbzyz (šaḇzēz) n.m. sapphire