Quick Definition
I leap upon
Strong's Definition
to spring upon
Derivation: from G1909 (ἐπί) and G242 (ἅλλομαι);
KJV Usage: leap on
Thayer's Greek Lexicon
ἐφάλλομαι; 2 aorist participle ἐφαλόμενος L T Tr WH; (ἐπί and ἅλλομαι, which see); from Homer down; to leap upon, spring upon: ἐπί τινα, Act_19:16 (here R G present participle); (1Sa_10:6; 1Sa_11:6; 1Sa_16:13).
Mounce Concise Greek Dictionary
ἐφάλλομαι ephallomai 1x
to leap or spring upon, assault, Act_19:16
Abbott-Smith Greek Lexicon
ἐφάλλομαι ,
[in LXX for H6743 , 1Sa_10:6 ; 1Sa_11:6 ; 1Sa_16:13 * ;]
to leap upon: seq . ἐπί c . acc pers . Act_19:16 .†
Moulton & Milligan — Vocabulary of the Greek NT
ἐφάλλομαι [page 269]
Ostr 1220 .7 (ii/iii A.D.) καὶ ἐνθάδε ἐφάλλομαι μὴ ἔχων [ . . .., Syll 802 .27 (iii/B.C.) ἐδόκει . . . . [τ ]ὸν θεὸν ἐφαλέσθαι ἐπὶ τᾶν χῆρα , with reference to the healing of a powerless hand in the Asclepieum of Epidaurus.
Liddell-Scott — Intermediate Greek Lexicon
ἐφάλλομαι 3rd sg. epic aor2 ἐπ-ᾶλτο part. ἐπ-άλμενος part. ἐπι-άλμενος [Etym: cf. ἀναπάλλω] [Etym: with part. ἐπ-άλμενος, ἐπι-άλμενος] Dep.:— "to spring upon, assail", c. dat., Τρώεσσιν ἐπάλμενος Il. :—also, without hostile sense, c. gen., ἐπιάλμενος ἵππων "having leaped upon" the chariot, id=Il.
STEPBible — Tyndale Abridged Greek Lexicon
ἐφάλλομαι
[in LXX for צָלַח, 1Ki.10:6 11:6 16:13 * ;]
to leap upon: before ἐπί with accusative of person(s) Act.19:16.†
(AS)