mysteriarch
English
Etymology
From Ecclesiastical Latin mysteriarches (“one who presides over Christian sacraments”), from Ancient Greek μυστηριάρχης (mustēriárkhēs, “one who rules over religious mysteries”), from μυστήριον (mustḗrion) + -άρχης (-árkhēs), corresponding to mystery + -arch.
Noun
mysteriarch (plural mysteriarchs)
- (obsolete outside fantasy fiction) One who rules over mysteries.