S / suppraefectus
noun

suppraefectus

gen. suppraefecti · gender masculine · decl. 2nd
(), , subpraefectus
an under-prefect
an under-prefect, Inscr. Grut. 359, 3.—
by extension
Transf.: singulis ventis binos subpraefectos dant, subsidiary winds, Sen. Q. N. 5, 16, 2.