History of the Peloponnesian War

Thucydides

Thucydides, Vol. 1-4. Smith, Charles Foster, translator. London and Cambridge, MA: Heinemann and Harvard University Press, 1919-1923.

And the fountain now called Enneacrunus,[*](Enneacrunus, Nine Conduits; Callirrhoe, Fair Stream.) from the fashion given it by the tyrants, but which anciently, when the springs were uncovered, was named Callirrhoe, was used by people of those days, because it was close by, for the most important ceremonials; and even now, in accordance with the ancient practice, it is still customary to use its waters in the rites preliminary to marriages and other sacred ceremonies.

And, finally, the Acropolis, because the Athenians had there in early times a place of habitation, is still to this day called by them Polis or city.