It is uncertain how long the office of an harmost lasted; but considering that a governor of the same kind, who was appointed by the Lacedaemonians in Cythera, with the title of Cytherodikes, held his office only for one year (Thucyd. iv. 53), it is not improbable that the office of harmostes was of the same duration. The Thebans also used the ter... Found on http://en.wikipedia.org/wiki/Harmost
Har'most (här'mŏst) noun [ Greek 'armosth`s , from 'armo`zein to join, arrange, command: confer French harmoste . See Harmony .] (Gr. Antiq.) A city governor or prefect appointed by the Spartans in the cities subjugated by them. Found on http://www.encyclo.co.uk/webster/H/15