Late 17th century; earliest use found in William Penn (1644–1718), Quaker leader and founder of Pennsylvania. From post-classical Latin Pharaon-, PharaoPharaoh + -ian.
Definition of Pharaonian in US English:
Pharaonian
adjectiveˌfɛːreɪˈəʊnɪən
rare
Pharaonic.
Origin
Late 17th century; earliest use found in William Penn (1644–1718), Quaker leader and founder of Pennsylvania. From post-classical Latin Pharaon-, Pharao Pharaoh + -ian.