This is the 6925th most frequent French word.
léman
"Léman" refers to Lake Geneva, a large lake between France and Switzerland.
In this sentence, 'Léman' is used as a proper noun referring to the actual geographical location known as Lake Léman.
Le lac Léman est magnifique en été.
Lake Léman is magnificent in the summer.
Here, 'Léman' acts as a proper noun referring to the body of water in a general sense in relation to its surrounding area.
Nous avons longé les rives du Léman lors de notre randonnée.
We walked along the shores of Léman during our hike.
In this instance, 'Léman' is again highlighting the lake as part of a larger referenced area known for its features.