What is an adverb with the Greek or latin root hydr?

The Greek or Latin root "hydr" means "water." There is no common English adverb directly derived from this root.

However, you can find a few adjectives related to water:

* Hydrous: Containing water.

* Hydrated: Combined with water.

* Hydrophillic: Attracted to water.

To form an adverb, you could add the suffix "-ly" to these adjectives. For example:

* Hydrously

* Hydratedly

* Hydrophillically

While these are grammatically correct, they are not frequently used in everyday language.