τριακάς
τριακάς
τριᾱκάς, Ionic τριηκάς, άδος,
contr. for obsol. τριακοντάς:
τρεῖς, τρίς
the number thirty, Aesch.
the thirtieth day of the month, Hes.: hence, a month, containing 30 days, Luc.
a political division, containing thirty families.