What is the root word in invent?

The root word of "invent" is venire, which is a Latin word meaning "to come" or "to arrive."

Here's how it breaks down:

* In- is a prefix meaning "into" or "in."

* -vent comes from the Latin venire, meaning "to come."

Therefore, "invent" literally means "to come into being" or "to bring something new into existence."