PS

*šibb- - kind of snake, worm (SED II No. 200)

Akkadian
šibbu - a snake (CAD Š₂ 375, AHw. 1226)
Chaha
šiba - kind of worm (EDG 571)
Ezha
šiba - kind of worm (EDG 571)
Endegen
šīwä - kind of worm (EDG 571)
Ennemor
šība - kind of worm (EDG 571)
Gyeto
sība - kind of worm (EDG 531)
According to LGur. 531, the Gye. form is borrowed from Oromo.
Gyeto
šīḇa - kind of worm (EDG 571)
Mehri
šəbšīb - red waterworm (ML 392)
‘kind of fish with a long, slender body and a very long lower jaw’ (Jahn 1902 228)
Jibbali
šəbšéb - red waterworm (JL 392)
Eastern Jibbali
Harsusi
šebšebēt - small red worm, centipede (HL 123)