This is the 10159th most frequent French word.
hôtelière
"Hôtelière" means "pertaining to hotels" or "female hotelier."
The word 'hôtelière' is used as an adjective here, modifying 'réception' to indicate that the reception belongs to a hotel or pertains to hospitality services.
La réception hôtelière est ouverte 24 heures sur 24.
The hotel reception desk is open 24 hours a day.
In this sentence, the word 'hôtelières' is again an adjective, describing the type of studies as related to the hotel or hospitality industry.
Marie poursuit des études hôtelières pour devenir gestionnaire.
Marie is pursuing hospitality studies to become a manager.
Here, 'hôtelière' modifies 'chaîne' and specifies that the chain operates within the hotel industry.