Etymology: Middle English, from Anglo-French deu, past participle of dever to owe, from Latin debēre — more at debt
Date: 14th century
1. owed or owing as a debt
a. owed or owing as a natural or moral right <everyone's right to dissent…is due the full protection of the Constitution — Nat Hentoff> b. according to accepted notions or procedures ; appropriate <with all due respect> 3. a. satisfying or capable of satisfying a need, obligation, or duty ; adequate <giving the matter due attention> b. regular, lawful <due proof of loss> 4. capable of being attributed ; ascribable — used with to <this advance is partly due to a few men of genius — A. N. Whitehead> 5. having reached the date at which payment is required ; payable <the rent is due> 6. required or expected in the prescribed, normal, or logical course of events ; scheduled <the train is due at noon>; also expected to give birth • dueness noun II. noun Date: 15th century something due or owed: as a. something that rightfully belongs to one <give him his due> b. a payment or obligation required by law or custom ; debt c. plural fees, charges <membership dues> III. adverb Date: 1582 1. directly, exactly <due north> 2. obsolete duly
New Collegiate Dictionary. 2001.