Meaning

noun the entire amount of income before any deductions are made

noun government income due to taxation

originRecorded in English from 1433, "income from property or possessions", from Middle French revenue, from Old French [Term?] (“a return”) (modern French revenu), the prop. feminine past participle of revenir (“come back”) (=modern French), from Latin revenire (“to return, come back”), from re- (“back”) + venire (“to come”).

Etymology from Wiktionary, CC BY-SA 3.0