Obmutescence
Pronunciation : Ob`mu*tes"cence
Part of Speech : n.
Etymology : [L. obmutescens, p.pr of obmutescere to become dumb; ob (see Ob-) + mutescere to grow dumb, fr. mutus dumb.]
Definition : 1. A becoming dumb; loss of speech. Sir T. Browne.
2. A keeping silent or mute. Paley.
Source : Webster's Unabridged Dictionary, 1913