lucre (n.) Look up lucre at Dictionary.com
late 14c., from Old French lucre, from Latin lucrum "material gain, advantage, profit; wealth, riches," of uncertain origin. De Vaan says from Proto-Italic *lukro-, from PIE *lhu-tlo- "seizure, gain," with cognates in Greek apolauo "take hold of, enjoy," leia (Doric laia) "booty;" Gothic laun "reward." Filthy lucre (Titus i.11) is Tyndale's rendering of Greek aiskhron kerdos.