פֶשַׁע pesha` rebellion or transgression of law, rules or custom. The word is frequent in the prophets, in Amos it recurs strikingly in the series of "oracles against the nations" in 1:3-2:16 (1:3, 6, 9, 11, 13: 2:1, 4, 6) as well as at 3:14; 4:4 & 5:12.