P / prīmīscrīnĭus
noun

prīmīscrīnĭus

gen. prīmīscrīnii · gender masculine · decl. 2nd
primus-scrinium
the chief of an official department; college
the chief of an official department or college (post - class.), Cod. Just. 12, 50, 12; Inscr. Orell. 2953.