Probus

Probus is a term with multiple uses in history, geography, and onomastics. In antiquity, probus was a Latin adjective meaning virtuous or good, and it was used as a personal name and cognomen. The best known bearer is Marcus Aurelius Probus, an emperor who ruled the Roman Empire from 276 to 282 CE and is noted for restoring frontier defenses after the Crisis of the Third Century. In geography, Probus is the name of a village and civil parish in Cornwall, England. In modern usage, Probus also appears as a given name and surname.