What is the origin of the idiom "for company" and when to use it?

The origin and history of this phrase are not clear, but it is likely that it evolved from the idea of companionship and the desire to avoid loneliness. In this sense, "for company" can be seen as a way to alleviate the boredom or solitude of an activity or journey. It is also possible that the phrase has its roots in the practice of traveling in groups for safety, with the "company" providing protection and support.