
1) Ancient Roman governor
Found on
https://www.crosswordclues.com/clue/prorogatio

In the constitution of ancient Rome, prorogatio was the extension of a commander`s imperium beyond the one-year term of his magistracy, usually that of consul or praetor. Prorogatio develops as a legal procedure in response to Roman expansionism and militarization; the number of annexed territories and theaters of operations outgrew the number of....
Found on
http://en.wikipedia.org/wiki/Prorogatio
No exact match found.