Dummy pronoun

Pronoun having no referent, only used to fulfill grammatical rules; e.g. "it" as in "it rains"

A dummy pronoun, also known as an expletive pronoun, is a deictic pronoun that fulfills a syntactical requirement without providing a contextually explicit meaning of its referent. As such, it is an example of exophora.

This keyword could refer to multiple things. Here are some suggestions: