This word was formed from the English word "host", which in the context of a computer network is translated as "main computer" or simply "server".
"Hosting service" or in professional jargon "Hosting" refers to services for placing information on a server in a network. And since recently the word "Hosting" is almost always used in relation to the Internet, its definition can be changed to the following:
Hosting is a service for posting information on the Internet.