UNMUFFLE
Etymology
Verb
unmuffle (third-person singular simple present unmuffles, present participle unmuffling, simple past and past participle unmuffled)
(transitive) To take a covering from, as the face; to uncover.
(transitive) To remove the muffling of, as a drum.
(intransitive) To throw off one's concealments.
Source: Wiktionary
Un*muf"fle, v. t. Etym: [1st pref. un- + muffle.]
1. To take a covering from, as the face; to uncover.
2. To remove the muffling of, as a drum.
Source: Webster’s Unabridged Dictionary 1913 Edition