Noun
The office of an archon.
Source: Webster's dictionaryThemistocles's archonship saw the beginnings of a major theme in his career; the advancement of Athenian sea-power. Source: Internet
With other decrees he lowered the property requirement for the archonship in 458–457 BC and bestowed generous wages on all citizens who served as jurymen in the Heliaia (the supreme court of Athens) some time just after 454 BC. Source: Internet