Proper noun
Meurthe-et-Moselle
A department of Grand Est, France.
It has no etymological connection in French with Agincourt, Meurthe-et-Moselle (attested as Egincourt 875), which is derived from another Germanic male name *Ingin-. Source: Internet
Life Poincaré was born on 29 April 1854 in Cité Ducale neighborhood, Nancy, Meurthe-et-Moselle into an influential family. Source: Internet