PS

*zīz- - kind of insect (SED II No. 255)

Akkadian
zizānu - locust (AHw. 1534, CAD S 321)
Var. sisānu. Note that the spelling with SI is unique whereas several examples written with ZI are known
Hebrew
zīz - a small creatures that ruin the fields (HALOT 268)
pB. ‘spider; name of a fabulous bird’ (Jastrow 393)
Arabic
zīz- - grasshopper (BK 1 1032)
Pl. zīzān-. According to Dozy I 618-9 z. is “ un mot berbère”
Selti
zīzo - May bug (EDG 78)
Wolane
zizo - May bug (EDG 78)