fortnight

[ fawrt-nahyt, -nit ]

/ ˈfɔrtˌnaɪt, -nɪt /

the space of fourteen nights and days; two weeks.

Origin of fortnight

before 1000; Middle English fourtenight, contraction of Old English fēowertēne niht. See fourteen, night

This that you describe must have happened a fortnight after he died.

Read ‘The King in Yellow,’ the ‘True Detective’ Reference That’s the Key to the Show |Robert W. Chambers |February 20, 2014 |DAILY BEAST
There were no other visitors save for a man who came for a fortnight with his wife and seven children.

Bin Laden’s Life on the Run, Witnessed by Al Qaeda Child Bride |Michael Daly |July 10, 2013 |DAILY BEAST
Fireplace ashes are a hazard for at least a day and can remain so for as long as a fortnight, Duran says.

Madonna Badger’s ‘Today’ Interview Shouldn’t Ignore Fire’s Tragic Lessons |Michael Daly |June 21, 2012 |DAILY BEAST
A fortnight ago, Recep Tayyip Erdogan, Turkey's prime minister, accused Israel of committing "genocide" against the Palestinians.

Turkish Hypocrisy |Benny Morris |March 28, 2012 |DAILY BEAST

Afghanistan was almost forgotten in Britain, until the recent upsurge in British casualties: 16 dead in a fortnight.

How Obama Is Losing Britain |Richard Heller |July 19, 2009 |DAILY BEAST
But it means bed for a fortnight or so, and you must go immediately.'

A Great Man |Arnold Bennett
For a fortnight the young soldier remained the same,—feverish, conscious only at intervals.

The Atlantic Monthly, Volume 15, No. 89, March, 1865 |Various
There would be no difficulty as to Parliament; we can call them together at a fortnight's notice.

Memoirs of the Court and Cabinets of George the Third, Volume 2 (of 2) |The Duke of Buckingham
The Coxeyites had been in camp a fortnight when their trial began.

The Cup of Trembling and Other Stories |Mary Hallock Foote
This fortnight past I have been laughing in my sleeve, thinking to myself, 'How happy they are going to be!'

Father Goriot |Honore de Balzac

fortnight

/ (ˈfɔːtˌnaɪt) /

a period of 14 consecutive days; two weeks

Old English fēowertīene niht fourteen nights