Lewis Short
sexĭes or -ĭens
* Num. adv. [sex].
* Six times: hostis sexies victus,Liv. 4, 32: id sexies evenit per annos,Plin. 18, 16, 43, § 146: hoc sexies ducendum est,is to be taken six times, to be multiplied by six,Col. 5, 2 fin.—*
* For sextum, for the sixth time: Mario sexies Valerioque Flacco Coss.,Vell. 1, 15, 5.
Charlton T. Lewis, Charles Short, A Latin Dictionary