αὐλάρχης

ου, Subst., ὁ
A. chief of the court, mayor of the palace, LXX 2 Ki. 8.18:—hence Subst. αὐλ‐αρχία, ἡ, ib.3 Ki. 3.1.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project