unprop
/(ˌ)ʌnˈprɒp/verb
1 [with object] To remove a prop from. Frequently figurative and in figurative contexts: to destabilize, overthrow.
2 [with object] In refl. use with from: to stop leaning against something.
Origin
Early 17th century; earliest use found in John Norden (c1547–1625), cartographer. From un- + prop.