pentecostyEtymologyFrom Ancient Greek πεντηκοστύς (pentēkostús), from πεντήκοντα (pentḗkonta, “fifty”).nounA troop of fifty soldiers in the Spartan army.“There were seven companies in the field without counting the Sciritae, who numbered six hundred men: in each company there were four Pentecostyes, and in the Pentecosty four Enomoties.”