ον, gen. ονος,
A without speech, silent, Poll.2.128.
ἀρρήμων: -ον, ἐπὶ ῥήτορος, ὁ σιωπῶν, ὁ μὴ λαλῶν, ὁ σιγηλός, Πολυδ. Β΄, 128.