G3024
λήθη
forgetfulness
λήθη, -ης, ἡ (λήθω = λανθάνω) [in LXX: Lev.5:15 (מַעַל), Wis.16:11, Sir.14:7, al. ;] forgetfulness: λ. λαβεῖν (on the phrase, see Mayor, in l): 2Pe.1:9.† (AS)
The KJV translates G3024 in the following manner:
forgotten (2x)
Full Thayer's lexicon entry
λήθη — lḗthē
λήθη, λήθης, ἡ (λήθω to escape notice, λήθομαι to forget) (from Homer down), forgetfulness: λήθην τίνος λαβεῖν (see λαμβάνω, I. 6), 2Pe 1:9.
1 occurrence