Assault - Vine's Expository Dictionary of New Testament Words
Assault[ A-1,Verb,G2186, ephistemi ]
lit., to stand over" (epi, "over," histemi, "to stand"), signifies "to assault;" said in Acts 17:5, of those who attacked the house of Jason. For its usual meanings See COME (in, to, upon), HAND (at), INSTANT, PRESENT, STAND.
[ B-1,Noun,G3730, horme ]
rendered "assault" in Acts 14:5, AV; RV, "onset," corresponds to hormao, "to rush." See IMPULSE, ONSET.