What does the root word veh mean?

The root word "veh" doesn't exist in English or in many other languages. It's possible you're thinking of a related word, such as:

* "Vehic-": This is a root meaning "to carry" or "to convey," as seen in words like "vehicle," "conveyance," and "vehement."

* "Vēh-": In Latin, this root means "to carry," but it's not commonly used in English.

If you can provide more context about where you encountered the word "veh," it might be easier to determine what you're looking for.