wankle

Etymology
From, from , from.

Adjective

 * 1)  Weak; unstable; unreliable; not to be depended on.

Etymology
From, , from , from.

Adjective

 * 1) weak
 * 2) unsteady
 * 3) * G. Stuart
 * "sco"

- Your wankle leggs canno support ye / Sae sit ye down, till I exhort ye.