Obmutesco, obmutescis, obmútui, obmutéscere. Terent.Cic.To holde ones peace: not to speake: to holde his tongue: not to hae one worde.Ore presso obmutuit.Virg.Aspectu obmutuit amens. Virgil. He was astonied with the sight thereof, and spake not a word.Obmutescere dicitur res aliqua. Plin. To be no more in vse.Sile lydium, quod nunc obmutuit. Plin.
Lewis and Short: Latin dictionary
ob-mūtesco, tŭi, 3, v. inch. n., to become dumb, to lose one's speech (syn.: taceo, sileo). I.Lit.: qui ebrius obmutuit, Cels. 2, 6: cum obmutuerint, Plin. 27, 12, 104, 127: umbrae ejus (hyaenae) contactu canes obmutescere,
lose their voice, their bark
, id. 8, 30, 44, 106; 20, 5, 20, 40.—B.Transf., in gen., to be speechless, mute, silent: ipse obmutescam, Cic. de Or. 2, 7, 27: de me ... nulla umquam obmutescat vetustas, id. Mil. 35, 98: Aeneas aspectu obmutuit amens, Verg. A. 4, 279: dixit pressoque obmutuit ore, id. ib. 6, 155: obmutuit illa dolore, Ov. M. 13, 538.—II.Trop., to become silent, to cease: studium nostrum conticuit subito et obmutuit, Cic. Brut. 94, 324: animi dolor, id. Tusc. 2, 21, 50: Lydium sil nunc obmutuit,