eupatrid
noun
eu·pa·trid yü-ˈpa-trəd 
ˈyü-pə-
ˈyü-pə- plural eupatridae yü-ˈpa-trə-ˌdē
often capitalized
: one of the hereditary aristocrats of ancient Athens
Word History
Etymology
Greek eupatridēs, from eu- + patr-, patēr father — more at father
First Known Use
1836, in the meaning defined above