From sepo; rotten, i.e. Worthless (literally or morally) -- bad, corrupt. Compare poneros.
see GREEK sepo
see GREEK poneros
1. rotten, putrid ((Hipponax), Hippcr., Aristophanes, others).
2. corrupted by age and no lounger fit for use, worn out (Aristophanes, Dio Chr., others); hence, in general, of poor quality, bad, unfit for use, worthless (A. V. corrupt) (πᾶν, ὁ μή τήν ἰδίαν χρείαν πληροι, σαπρόν λέγομεν, Chrysostom hom. 4 on 1 Timothy): δένδρον, καρπός, opposed to καλός, Matthew 7:17; Matthew 12:33; Luke 6:43; fishes, Matthew 13:48 (here A. V. bad); tropically, λόγος, Ephesians 4:29 (cf. Harless at the passage); δόγμα, Epictetus 3, 22, 61. Cf. Lob. ad Phryn., p. 377f.