That means nothing. This is a made-up noun used by a Parisian restaurant catering for tourists, near Notre-Dame de Paris.
'le' can mean 'the'(masculine) or 'it'
Feux mean Fire and le mean the. The Fire
A le a (of what)
Le directeur : the boss
LE can mean many things. for ex in Investment banking LE can mean Legal Entity. In case of retail banking it can mean Loan Equivalent and so on.
"Le Plus" is French for "most".
"le" is the french term for "the"
'Le panier' means 'cart'
Le Croix = the Cross
"le vin" is French for "wine".
"Le monde" means "The world" in French.
Le vaillant means the valiant in English.