unspring
/ˈʌnˌsprɪŋ/Definitions
1. verb
to remove or take away the spring or springs from, or to deprive of spring or elasticity.
“The gardener unsprang the old, rusty door creaking open with ease.”
2. noun
a person or thing that springs or has sprung.
“The unspring, a broken and worn-out toy, was discarded in the trash.”
3. noun
a source or origin of something.
“The unspring of the river was a small, hidden waterfall.”