LAT

Lewis Short

Sphaerus (noun M) : Σφαῖρος.
* A Stoic, a pupil of Zeno, Cic. Tusc. 4, 24, 53.
* A freedman of Augustus, Suet. Aug. 89.
Charlton T. Lewis, Charles Short, A Latin Dictionary

PIR

Male Personal name
Confirmed occurences in the Roman Empire:
Prosopographia Imperii Romani
memory