alabarch
noun
al·a·barch
ˈa-lə-ˌbärk
plural -s
: the chief magistrate of the Jews at Alexandria under the Ptolemies and the Roman Empire
Word History
Etymology
Latin alabarches, from Greek alabarchēs, alteration of arabarchēs, from Arabia + Greek -archēs -arch
First Known Use
1658, in the meaning defined above