). This word was originally used, according to its
etymological meaning, to signify the governor of the fourth part of a
). We have an example in the ancient division of
Thessaly into four tetrarchies, which was revived by Philip (Harpocrat. s.
: Strabo ix. p.430
; Demosth. Phil.
iii. p. 117.26;
Eur. Alc. 1154
vi. pp. 13, 14; Gilbert,
] Each of the three Gallic tribes which settled in Galatia was
divided into four tetrarchies, each ruled by a tetrarch. [PAGUS
] (Strabo, xii. pp. 566, 567;
Plin. Nat. 5.42
.) This arrangement
subsisted till the later times of the Roman republic (Appian, App. Mith. 46
4.88), but at last the twelve tetrarchs of
Gallograecia were reduced to one, namely Deiotarus (Liv.
xciv.; Cic. pro Deiot.
de Bell. Alex.
67). Some of the tribes of Syria were
ruled by tetrarchs, and several of the princes of the house of Herod ruled
in Palestine with this title [p. 2.809]
. 5.16, 19;--J. AJ 14.13.1
,. § 2; Vit.
In the later period of the Republic and under the Empire, the Romans seem to
have used the title (as also. those of ethnarch
) to designate those tributary princes
who were not of sufficient importance to be called kings. (Compare Lucan 7.227
; Sallust, Catil.
Cic. pro Mil. 28
12, 29; Hor. Sat.
1.3, 12; Vell. Paterc. 2.51; Tac. Ann.