unpurse
/(ˌ)ʌnˈpəːs/verb
1 [with object] To take (money) out of a purse; to pay out. Now rare.
2 [with object] To relax (the lips, etc.) from being pursed or puckered.
Origin
Late Middle English; earliest use found in John Gower (d. 1408), poet. From un- + either purse or purse.