Lexical Definition

‎ἐπέρχομαι‎ epérchomai (ep-er'-khom-ahee) to arrive/invade ^G:V
from ‎ἐπί‎ and ‎ἔρχομαι‎

come (in, upon).

• to supervene, i.e. arrive, occur, impend, attack, (figuratively) influence

Abbott-Smith

* ἐπ-εισ-έρχομαι [in LXX: I Mac 16:16 (c. dat.) * ;]
to come in upon: seq. ἐπί Lk 21:35.†

Abbott-Smith References

Liddell-Scott-Jones

ἐπέρχομαι,

imperfect [Refs 5th c.BC+] (unless from ἐπάρχομαι: Attic dialect imperfect is ἐπῇα (but see at {ἔρχομαι}) and future ἔπειμι): aorist 2 ἐπῆλθον, Epic dialect -ήλῠθον: perfect -ελήλυθα:

__I come upon:
__I.1 of persons, approach, with dative, [Refs 8th c.BC+], etc.; especially come suddenly upon, [Refs 8th c.BC+] codices (nisi to be read ἐσ-); come to for advice, μάντεις, μοῦσαν, [Refs 8th c.BC+].
__I.1.b frequently in hostile sense, go or come against, attack, absolutely, [Refs 8th c.BC+]; τὴν τῶν πέλας ἐ. invade it, [Refs 5th c.BC+]: hence, visit, reprove, [Refs 5th c.BC+], invade, [Refs 2nd c.BC+]
__I.1.c come forward to speak, [Refs 5th c.BC+]; τοῖς Αακεδαιμονίοις [Refs]
__I.1.d in Law, proceed against, [Refs 3rd c.BC+] impugn, [Refs 1st c.BC+]: also in aorist 1 [Refs 2nd c.BC+] is more common in the present in the Hellenistic period.)
__I.2 of events, conditions, etc., come upon, especially come suddenly upon, with accusative, [Refs 8th c.BC+]: with dative, [Refs 8th c.BC+]; βροτοῖσιν.. [Refs 6th c.BC+], etc.
__I.3 with dative person, come into one's head, occur to one, [Refs 5th c.BC+]; ὅ τι ἂν ἐπέλθῃ Latin quicquid in buccam venerit, [Refs 5th c.BC+] with infinitive, [Refs 6th c.BC+].
__I.4 come in, of revenues, etc., ἐπερχόμενοι τόκοι, ἐπιβολαί, [Refs 2nd c.AD+]
__II of Time, come on, ἐπήλυθον ὧραι the season came round again, [Refs 8th c.BC+], etc.; also, come on, be at hand, [Refs 6th c.BC+]; τὸ παρὸν τό τ᾽ ἐπερχόμενον πῆμα and that which is coming, the future, [Refs 4th c.BC+]
__II.2 come in after or over another, of a second wife, [Refs 5th c.BC+]
__III go over or on a space, traverse, mostly of persons, with accusative, [Refs 8th c.BC+]; go the round of, visit, [Refs 5th c.BC+] (Lyric poetry); πόλιν, of a god, [Refs 1st c.AD+]; of an officer, [Refs 5th c.BC+]; walk on ice, [Refs] overflows it, [Refs 5th c.BC+]
__III.2 go through or over, discuss, recount, with accusative, [Refs 8th c.BC+]; review, [Refs 4th c.BC+], +others; followed by an interrogative, [Refs]; πῶς δεῖ.. ἐπέλθωμεν συντόμως [Refs]
__III.3 accomplish, [Refs 5th c.BC+].
__IV come up to, imitate, [Refs 5th c.BC+].