Devoir
Pronunciation : De*voir"
Part of Speech : n.
Etymology : [F., fr. L. debere to owe. See Due.]
Definition : Defn: Duty; service owed; hence, due act of civility or respect; -- now usually in the plural; as, they paid their devoirs to the ladies. "Do now your devoid, young knights!" Chaucer.
Source : Webster's Unabridged Dictionary, 1913