[ad. Gr. ἐθναρχία, f. ἐθνάρχης: see prec.] a. The dignity or office of an ethnarch. b. The dominion of, or province ruled by, an ethnarch.

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1612.  Heywood, Apol. Actors, I. C ij b. They diuided their dominions and countryes into principalities, some into Prouinces,… others into Ethnarchyes.

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1643.  Subject of Suprem., 68. Antipater … deposeth him of his Ethnarchie.

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1862.  Merivale, Rom. Emp. (1865), V. xlvi. 417. Syria … was still skirted by several tributary kingdoms or ethnarchies.

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