rĕ-tinnĭo, īre, v. n.,
to ring again , resound , Varr. R. R. 2, praef. § 2: in vocibus nostrorum oratorum retinnit quiddam et resonat urbanius, Cic. Brut. 46, 171.
re-tinniō —, —, īre, to ring again, resound: in vocibus oratorum retinnit quiddam. ...
An Elementary Latin Dictionary