Definitie & Betekenis van "[pick] up the (bill|check|tab) for {sth}"

What is the origin of the idiom "pick up the bill" and when to use it?

The origin of the phrase "pick up the bill" is not precisely known, but it likely developed from the idea of someone physically picking up a restaurant bill or invoice after a meal or transaction. This idiom is used to describe the act of paying for something, especially the expenses or costs incurred by oneself or others.