Definition - What does Adho mean?
Adho is a Sanskrit word derived from adhas, meaning "down." The term is a part of the name of certain poses which involve downward movement, as in adho mukha svanasana (downward-facing dog pose), which is one of the most popular postures in yoga and part of the Sun Salutation sequence.
Yogapedia explains Adho
The following are examples of yoga postures with "adho" in their names:
Adho mukha svanasana is a pose that calms the brain, relieves physical and mental fatigue, and has anti-aging benefits. A variation of this pose is eka pada adho mukha svanasana.
Adho mukha vrksasana, also known as a handstand in English, is an advanced arm-balancing posture. It is an upside-down pose of vrksasana, or tree pose. Adho mukha vrksasana promotes balance, improves arm strength and blood circulation.
Adho mukha virasana, also known as downward-facing hero pose in English, relieves fatigue, relaxes the body and promotes digestion.
Other poses with adho in their names include: makara adho mukha svanasana, parivrtta adho mukha svanasana and adho mukha kapotasana.