emperorship


em·per·or

E0116100 (ĕm′pər-ər)n.1. The male ruler of an empire.2. a. The emperor butterfly.b. The emperor moth.c. The emperor penguin.
[Middle English emperour, from Old French empereor, from Latin imperātor, from imperāre, to command : in-, in; see en-1 + parāre, to prepare; see perə- in Indo-European roots.]
em′per·or·ship′ n.