What part of speech is the word forth?

"Forth" can be a few different parts of speech depending on how it's used:

* Adverb: This is the most common use of "forth." It means "forward" or "outward."

* Example: "The soldiers marched forth."

* Preposition: This is less common but can be used in some phrases. It means "forward" or "out of."

* Example: "He stepped forth from the shadows."

* Interjection: This is rare, but "forth" can be used as an exclamation meaning "forward!"

* Example: "Forth, my friends, into the fray!"

It's important to look at the context to determine the correct part of speech for "forth."