From batsa'; plunder; by extension, gain (usually unjust) -- covetousness, (dishonest) gain, lucre, profit.
see HEBREW batsa'
H1215. betsa
בֶּ֫צַע noun masculine gain made by violence, unjust gain, profit — בֶּ֫צַע Genesis 37:26 7t. (construct Judges 5:19 +); בָּ֑צַע Exodus 18:21 7t.; suffix בִּצֱע֑ךָ Jeremiah 22:17; בִּצְעֵךְ 51:13; Ezekiel 22:13; בִּצְעוֺ Isaiah 56:11; 57:17; בִּצְעָם Ezekiel 33:31; Micah 4:13; — gain made by violence (nearly = plunder) Judges 5:19; Micah 4:13; more Generally, unjust gain Exodus 18:21; 1 Samuel 8:3; Psalm 119:36; Proverbs 28:16; Isaiah 33:15; 56:11; 57:17; Jeremiah 22:17; 51:13; Ezekiel 22:13; 33:21; as accusative of congnate meaning with verb with בָּצַע Proverbs 1:19; 15:27; Jeremiah 6:13; 8:10; Ezekiel 22:27; Habakkuk 2:9; profit (with selfish suggestion) ׳מהבֿ Genesis 37:26; Malachi 3:14 compare Psalm 30:10; Job 22:3.