Georg Autenrieth, A Homeric Dictionary

λανθάνω, λήθω , ipf. (ἐ）λάνθανον, ἔληθον, λῆθεν, iter. λήθεσκε, fut. λήσω, aor. 2 ἔλαθον, λάθον, subj. redupl. λε- λάθῃ, mid. λήθομαι, ipf. λανθανόμην, aor. 2 λάθετο, redupl. λελάθοντο, opt. 3 pl. λαθοίατο, imp. redupl. λελαθέσθω, perf. λέλασται, part. λελασμένος: I. act., escape the notice of, τινά, the obj. of the Greek verb usually appearing as the subj. in Eng., οὐδέ σε λήθω, ‘nor dost thou ever fail to mark me,’ Il. 1.561, Od. 17.305; the thing that one does when somebody else fails to mark him is regularly expressed by the part., ἄλλον πού τινα μᾶλλον Ἀχαιῶν χαλκοχιτώνων | λήθω μαρνάμενος, σὲ δὲ ϝιδμεναι αὐτὸν ὀι?ω, ‘another perchance is likely enough to overlook my prowess, but you know it right well,’ Il. 13.272. The learner cannot afford to be careless about the above meaning and construction. Sometimes w. ὅτι or ὅπως, ὅτε, Il. 17.626. The redupl. aor. is causative, make to forget; τινά τινος, Il. 15.60.—II. mid., forget; τινός, Δ 127, Od. 3.224.