UNFIX
Etymology
Verb
unfix (third-person singular simple present unfixes, present participle unfixing, simple past and past participle unfixed)
(transitive) To unfasten from a fixing.
Whose horrid image doth unfix my hair and make my seated heart knock at my ribs against the use of nature?
Source: Wiktionary
Un*fix", v. t. Etym: [1st pref. un- + fix.]
1. To loosen from a fastening; to detach from anything that holds; to
unsettle; as, to unfix a bayonet; to unfix the mind or affections.
2. To make fluid; to dissolve. [R.]
The mountain stands; nor can the rising sun Unfix her frosts. Dryden.
Source: Webster’s Unabridged Dictionary 1913 Edition