nobleſſe
Noblelle referred as Noblesse today is French for Noblewoman. In the text, the phrase it is in is: C'eſt deroger à nobleſſe, which means: It is derogating from noblewoman.
https://www-oed-com.proxymu.wrlc.org/view/Entry/127493?redirectedFrom=noblesse#eid
Quai de Conti
The Quai de Conti, or more commonly “Quai Conti”, is a quay located along the Seine, in Paris. It is located in the 6th arrondissement, a subdivision of a French department.
Façade of the Louvre
The Façade of the Louvre, in English: Louvre Colonnade, is a Building in Paris. The Façade of the Louvre is a façade of the Palais du Louvre in Paris and it is a great example of Classical French architecture.
patiſſerie;
Patillerie, referred today as Patisserie, is a French word meaning pastry making. In the context of the text, it means he loved do did the French pastries.
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livre
Livre is a French word, meaning a coin or currency. It is commonly referred to the British Pound as well.
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La voila!
La Voila! = Here it is!
(Translated from French)
parterre
Parterre is a garden with nicely decorated flower beds. A Parterre is built at level. They are commonly found in Castles.
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quoth
Quoth means Said in modern day English.
"Said" (used only in first and third person singular before the subject).
https://www-oed-com.proxymu.wrlc.org/view/Entry/156911?redirectedFrom=quoth&
billet
A short informal letter.
Auberge
Auberge = Inn (French Translation)
An Auberge is an Inn in France. An Inn meaning a place where travelers can stay.
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MONTRIUL.
Montriul is a Commune in France. It is located about 7 kilometers east from Paris.
Montriul is one of the places in which A Sentimental Journey took place in.
colloquy
Colloquy essentially is a formal conversation. A colloquy can take place in a small gathering or in a big conference.
In the text, it is written " Now a colloquy of five mi|nutes", meaning a short formal conversation.
https://www-oed-com.proxymu.wrlc.org/view/Entry/36444?rskey=QnCIte&result=1&isAdvanced=false#eid
esplanade
Area near the sea where people can walk.