The concept of 'Therapy' derives from 'Theravada.' ..
In Alexandria, the Theravada monks and nuns became known as the Therapeutae (Sons of the Elders). A Jewish contemplative, name Philo, a contemporary of Jesus, wrote an appreciative tract, De vita Contemplativa (On the Contemplative Life of the Therapeutae) describing the Buddhist monks and nuns as "spiritual athletes" for their disciplined way of life, austere rules and vegetarian diet in their community in the hills outside Alexandria.
The Greek word 'therapeuta' has come to mean 'healing' with its initial derivation from the Buddhists in Alexandria practising to heal suffering. In terms of the Four Noble Truths, the Buddha described himself as a doctor who
Funny, what other original meanings of words could be found.
I heard Psychotherapy derives from the greek psychein - breath, live; and therapon - attender, companion.
If this would be true - I see even closer resemblance to Anapana itself!