propraetorial

pro·prae·tor

 (prō-prē′tər)
n.
An ancient Roman official, appointed to be the chief administrator of a province after serving his term of office as praetor.

[Latin prōpraetor : prō-, for; see pro-1 + praetor, praetor; see praetor.]

pro′prae·to′ri·al (prō′prĭ-tôr′ē-əl), pro′prae·to′ri·an (-ən) adj.

propraetorial

(ˌprəʊprɪˈtɔːrɪəl) or

propraetorian

adj
of, or relating to, a propraetor