ἀρρήμων
From LSJ
λύπης ἰατρός ἐστιν ἀνθρώποις λόγος → for men reason cures grief, for men reason is a healer of grief, a physician for grief is to people a word, pain's healer is a word to man, logos is a healer of man's anguish, talking through one's grief is therapeutic
English (LSJ)
ον, gen. ονος, without speech, silent, Poll.2.128.
Greek (Liddell-Scott)
ἀρρήμων: -ον, ἐπὶ ῥήτορος, ὁ σιωπῶν, ὁ μὴ λαλῶν, ὁ σιγηλός, Πολυδ. Β΄, 128.
Spanish (DGE)
-ον mudo Poll.2.128.