PS

*šVpp- - kind of snake, worm, insect larvae (SED II No. 207)

Phonetically and semantically close forms with -b- are united into a separate root *šibb- ‘kind of snake, worm’, SED II No. 200.

Hebrew
šəpīpōn - horned viper (HALOT 1628)
HapLeg in Gn 49.17. pB. ‘a species of serpents, adder’ (Jastrow 1616)
Jewish Palestinian Aramaic
špypwn - serpent (DJPA 563)
Likely a Hebraism
Syriac
šappāpā - serpent; field cricket; creeping animal; crawling locust (LSyr. 793, SL 1592)
Arabic
siff- - serpent; kind of snake with black and white spots (BK 1 1096, Lane 1368, LA IX 154)
Var. suff-
Tigre
səf - millepede (WTS 200)