Ab urbe condita
Titus Livius (Livy)
Livy. History of Rome, Volumes 1-2. Roberts, Canon, Rev, translator. London, New York: J. M. Dent and Sons; E. P. Dutton and Co., 1912.
If the principes were also unsuccessful, they slowly retired to the triarii, which has given rise to the proverbial saying, when people are in great difficulty “matters have come down to the triarii.”
When the triarii had admitted the hastati and principes through the intervals separating their companies, they rose from their kneeling posture