ძალუძს

Etymology
Most probably a learned borrowing from Old Georgian. A noun-verb compound from Old Georgian and.

Verb

 * 1)  to be able, capable (of doing something; mostly physically)
 * 2) * William Shakespeare, King Lear, translated by I. Machabeli and I. Chavchavadze

Usage notes
This verb is mostly used in negative to state what you're definitely not able to do. Now, often used in a jocular way to say 'extremely incapable of doing' with the particle არ.