Lewis & Short

con-tĭcĕo, ēre, v. n. [a strengthened form for taceo], to be silent, be still (late Lat.), Calp. Ecl. 4, 98; Lact. 5, 2, 9; Hier. in Isa. 1, 1; 17, 64; cf.: conticeo, σιωπῶ, Gloss. Lab.; v. also conticesco.