Lexical Definition

‎εἰσπηδάω‎ eispēdáō (ice-pay-dah'-o) to rush into G:V
from ‎εἰς‎ and (to leap)

run (spring) in.

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
εἰσεπήδησεν he rushed in Acts.16.29
εισπηδήση he should rush LXX.Amos.5.19

Abbott-Smith

εἰσ-πηδάω, -ῶ [in LXX: Am 5:19 (בּוֹא), Da TH Sus 1:26* ;]
to spring in, rush in: Ac 14:14 (Rec.), Ac 16:29 (for exx. from π., v. MM, Exp., xii).†

Abbott-Smith References

Book Refs
Daniel 1:26
Amos 5:19
Acts 14:14 · 16:29

Liddell-Scott-Jones

εἰσπηδάω,

leap in, ἐς τὰς λίμνας [Refs 5th c.BC+]

__2 burst in, εἰσπηδήσας πρός με νύκτωρ Μειδίας Test. cited in [Refs 4th c.BC+]; εἰς τὴν οἰκίαν [Refs 3rd c.BC+]; εἰς τὰ συνέδρια [Refs]: absolutely, rush in, [NT+4th c.BC+]

LSJ Scripture Refs: Acts.16.29