Wiktionary
prytaneis
n. (plural of prytanis English)
Wikipedia
Prytaneis
The Prytaneis (πρυτάνεις; sing.: πρύτανις prytanis) were the executives of the boule of ancient Athens. The term (like basileus or tyrannos) is probably of Pre-Greek origin (possibly cognate to Etruscan (e)pruni).