potentator

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

pŏtentātor, ōris, m. [potens],

a ruler , potentate (eccl. Lat.): solus potentator et rex regnantium, Tert. Res. Carn. 23 (cf. potens, Vulg. 1 Tim. 6, 15).