δημαρχικός

ή, όν
A. tribunician, δέλτοι Plu. Cat.Mi. 40; δ. ἐξουσία, = Lat. tribunicia potestas, D.H. 6.89, Mon.Anc.Gr. 5.18, D.C. 54.28: freq. in Inscrr. and Pap., IG 3.40, BGU 74.3, etc.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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