Does Ambulance Derive from Ambulatory?

To remember ambulatory, think of ambulance, which essentially means a walking hospital. (Its meaning derives from the time when it was pulled by horses, which would be walking.)

Is ambulance ambulatory care?

As nouns the difference between ambulatory and ambulance

is that ambulatory is the round walkway encircling the altar in many cathedrals while ambulance is an emergency vehicle that transports sick or injured people to a hospital.

Where does the word ambulance derive from?

The term ambulance comes from the Latin word "ambulare" as meaning "to walk or move about" which is a reference to early medical care where patients were moved by lifting or wheeling. The word originally meant a moving hospital, which follows an army in its movements.