ἐπέρχομαι εἶμι ibo imperf. ἐπηρχόμην the Attic imperf. is ἐπῄειν and the fut. ἔπειμι aor2 ἐπῆλθον Epic -ήλυθον perf. -ελήλυθα Dep., to come upon, come near, come suddenly upon, τινι Hom., Hdt.:— to come to for advice, Lat. adire aliquem, Eur. in hostile sense, to go or come against, to attack, assault, absol. or c. dat., Il., Eur., etc.; c. acc., τὴν τῶν πέλας ἐπ. to invade it, Thuc.; hence, to visit, reprove, τινα Eur. to come forward to speak, Eur., Thuc.; also, ἐπ. ἐπὶ τὸν δῆμον Hdt. of conditions, events, etc., to come suddenly upon, ὕπνος ἐπήλυθέ τινα or τινι Od. c. dat. pers. to come into oneʼs head, occur to one, ἵμερος ἐπῆλθέ μοι ἐπείρεσθαι Hdt.; or impers. c. inf., καί οἱ ἐπῆλθε πταρεῖν it happened to him to sneeze, Hdt. of Time, to come on, return, of the seasons, Od.; so, νὺξ ἐπῆλθε Od. to come in after or over another, of a second wife, Hdt. to go over or on a space, to traverse, Lat. obire, c. acc., Od.:— of water, to overflow, Hdt.:—so in Attic to go the round of, visit, Soph., Eur. to go through, treat of, recount, Eur., Ar. to go through, execute, Thuc.