What is "acumenus"

Acumenus was a physician of Athens who lived in the 5th century BC, and is mentioned as the friend and companion of Socrates. He was the father of Eryximachus, who was also a physician, and who is introduced as one of the speakers in Plato's Symposium. He is also mentioned in the collection of letters first published by Leo Allatius in 1637 (Epist. Socralis et Socraticorum), and again by Orellius in 1815.