Emily Dickinson Lexicon

DUE, a. [du; Fr. dû, pp. of devoir, L. debeo; Sp. deber, It. dovere. Qu. Gr. δεω, to bind. Class Db. It has no connection with owe.]

1. Owed; that ought to be paid or done to another. That is due from me to another, which contract, justice, or propriety requires me to pay, and which he may justly claim as his right. Reverence is due to the Creator; civility is due from one man to another. Money is due at the expiration of the credit given, or at the period promised.
2. Proper; fit; appropriate; suitable; becoming; required by the circumstances; as, the event was celebrated with due solemnities. Men seldom have a due sense of their depravity.
3. Seasonable; as, he will come in due time.
4. Exact; proper; as, the musicians keep due time.
5. Owing to; occasioned by. [Little used.] – Boyle.
6. That ought to have arrived, or to be present, before the time specified; as, two mails are now due.