Where does “Riyadh” come from?

Riyadh comes from Arabic الرياض, the plural of روضة meaning "garden" or "meadow," referring to the fertile areas around the settlement.

Ancestry of “Riyadh”, step by step

Step	Language	Word	Meaning
1	Arabic	الرِّيَاض	—

Riyadh — Etymology, Origin & Word History | Etymology Explorer