masterdom
noun
mas·ter·dom
ˈmastə(r)dəm,
-aas-,
-ȧes-,
-ȧs-
plural -s
: the state or position of being master : mastery, supremacy
Word History
Etymology
Middle English maisterdom, from Old English mægsterdōm function of a teacher, from mægester, magister master, teacher, ruler + -dōm -dom