Sextīlis — Lewis & Short
Sextīlis, e, adj.sextus,
Sextili menso caminus,Hor. Ep. 1, 11, 19. —Hence, subst.: Sextīlis, is, m. (sc. mensis), the sixth (month); hence, the month of August, acc. to the old Roman reckoning (counting from March), afterwards called Augustus (v. h. v., and cf. Varr. L. L. 6, 4 fin.), Cic. Fam. 10, 26, 1:
Sextilem totum mendax desideror,Hor. Ep. 1, 7, 2:
Kalendae,of August, Liv. 3, 6; 6, 1 fin.:
Nonae, Idus,id. 41, 16.