From kopros (ordure; perhaps akin to kopto); manure -- dung(-hill).
see GREEK kopto
STRONGS NT 2874: κόπριονκόπριον, κόπριον, τό, equivalent to ἡ κόπρος, dung, manure: plural, Luke 13:8 (Rec.st κοπρίαν). (Heraclitus in Plutarch, mor., p. 669 (quaest. conviv. book iv. quaest. iv. § 3, 6); Strabo 16, § 26, p. 784; Epictetus diss. 2, 4, 5; Plutarch, Pomp c. 48; (Isaiah 5:25; Jeremiah 32:19