[Paris ]. A corruption of Lupara, as it is called
in old title-deeds. Dagobert is said to have built here a
hunting-seat, the nucleus of the present magnificent pile of
“He'll make your Paris Louvre shake for it.”
Shakespeare: Henry V, ii. 4.
The tower or turret of a building like a belfry, originally
designed for a sort of chimney to let out the smoke. (French, l'ouvert
, the opening.)
in churches. Before chimneys were used, holes were left in the
roof, called loovers
or leuver holes.
From the French l'ouvert
(the open boards).
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894