LSJ
Ep. ἀδαημονίη, ἡ, ignorance, unskilfulness in doing, c. inf., Od. 24.244 (v.l. ἀδαημοσύνη).
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
ἡ, Unerfahrenheit, Hom. Od. 24.244 (ἅπαξ εἰρημ.).
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)