اتحد

Etymology
Compare.

Verb

 * 1) to be united, to be combined, to be consolidated, to be amalgamated
 * 2)  to unite, to merge
 * 3) to be one, to form a unity
 * 4) to act jointly
 * 5) to agree with, to be agreed

Etymology
From.

Verb

 * 1)  to unite, to join forces