Usage: 6 forms in 14 verses
Form Translated As     In Verse(s)
ερπόντων crawling LXX.Gen.1.26LXX.Gen.1.28LXX.Gen.6.20LXX.Gen.7.8LXX.Lev.11.29LXX.Lev.11.31
ερπούσησ crawling LXX.Lev.11.46
έρπουσιν crawling LXX.Lev.11.42LXX.Lev.11.43
έρποντι crawling LXX.Gen.1.30
έρποντα crawling LXX.Ps.69.34LXX.Ezek.38.20
έρπει crawls LXX.Lev.11.41LXX.Deut.4.18

Liddell-Scott-Jones

ἕρπω (herpō) to crawl G:V

ἕρπω,

imperfect εἷρπον [Refs 8th c.BC+]: Doric dialectfuture ἑρψῶ [Refs 4th c.BC+]aorist ἧρψα (ἐξ-) [LXX]; Attic dialect εἵρπῠσα [Refs 5th c.BC+]: (cf. Latin serpo):—move slowly, walk, ἥμενος ἕρπων [Refs 8th c.BC+]; ἕρπον (εἷρπον codices) ῥινοί began to move, [Refs 8th c.BC+]; of infants, [Refs 4th c.BC+]; of a lame man, [Refs 5th c.BC+]; ἕρπον τοῖς ὀδοῦσι θηρίον an animal that walks on its teeth, [Refs]

__2 simply, go, come, in Doric dialect dialects, where the aorist is ἔμολον, ἦνθον, etc., εἰς τὸ ἱερόν [Refs]: also frequently in Trag., [Refs 5th c.BC+]; ἕρπειν ἐς μῦθον, πρὸς ᾠδάς, [Refs]; ἕρπε δεῦρο come hither, [Refs 5th c.BC+]
__2.b of things, events, etc., ἕρπει ἄντα τῶ σιδάρω τὸ καλῶς κιθαρίσδην [Refs 7th c.BC+]; of a tear stealing from the eye, [Refs]; τοῦτο γὰρ ἀθάνατον φωνᾶεν ἕρπει this (word) goeth forth undying, [Refs 5th c.BC+]; πόλεμος ἑρπέτω let it take its course, [Refs 5th c.BC+]; of coming events, εἰ δὲ δαίμων γενέθλιος ἕρποι [Refs 5th c.BC+]; of calamities, come suddenly on one, [Refs 5th c.BC+]

LSJ Scripture Refs: LXX.Ps.104.30*