Merriam-Webster's Collegiate® Dictionary, 11th Edition
INCONVENIENCE
I. noun
Etymology: Middle English, misfortune, inconsistency, from Anglo-French, from Late Latin inconvenientia, from Latin inconvenient-, inconveniens
Date: 1534
something that is inconvenient, the quality or state of being inconvenient,
II. transitive verb (-nienced; -niencing)
Date: circa 1656
to subject to inconvenience ; put to trouble