ἐκλανθάνω · eklanthanō — LSJ
escape notice utterly:—Med., forget utterly, c. gen. rei, ἐκ χόλω τῶδε λαθοίμεθα Alc. Supp. 23.9; τοῦδʼ ἐκλανθάνει thou forgettest this entirely, S. OC 1005; ἐγλαθόμενος τῆς εὐθύνης POxy. 1203.8 (i A.D.), cf. Ph. 1.247, al.; ἐ. ὅτι.. Pl. Ax. 369e.
causal in pres. ἐκληθάνω, with aor. 1 ἐξέλησα, Aeol. ἐξέλᾱσα (v. infr.): Ep. redupl. aor. 2 ἐκλέλᾰθον:
Act., make one quite forgetful of a thing, c. gen. rei, ἐκ δέ με πάντων ληθάνει ὅσσʼ ἔπαθον Od. 7.220; ἔκ μʼ ἔλᾱσας ἀλγέων Alc. 95 : c. acc. rei, ἐκλέλαθον κιθαριστύν made him quite forget his harping, Il. 2.600 : abs., Ἀΐδας ὁ ἐκλελάθων (redupl. pres.) Theoc. 1.63.
Med. and Pass., forget utterly, ὀϊζύος ἐκλελαθέσθαι Il. 6.285; ἀικῆς ἐξελάθοντο 16.602; ὡς ἐκλέλησμαί γʼ ἃ πάρος εἴπομεν E. Ba. 1272 : c. inf., ἐκλάθετο..καταβῆναι Od. 10.557; λελάθοντο.., οὐ μὰν ἐκλελάθοντʼ Sapph. 93.