bedumb

verb

1. (transitive)To make or render dumb, or mute.

   “These make no rustle save Some pine-cone dropt, or murmur that condemns Murmur; bedumb'd with moss that giant nave.”

   “Let not the melancholy past / Bedumb your hardened ears; [...]”

   “Our disease is not smugness, but the anxiety that bedumbs the singer.”