Usage: 1 form in 2 verses
Form Translated As     In Verse(s)
προφύλακασ advance guards LXX.Neh.7.3
an advance guard LXX.Neh.4.9

Liddell-Scott-Jones

προφύλαξ (prophulax) an advance guard G:N-M

προφύλαξ-αξ, ᾰκος, ,

advanced guard: οἱ π.,= αἱ προφυλακαί, [Refs 5th c.BC+]

__II officer on guard, [Refs 4th c.BC+], and so probably in [Refs 3rd c.BC+]
__III epithet of Apollo, [Refs]