թուլանալ

Etymology
From.

Verb

 * 1) to weaken, to grow weak (to lose strength)
 * 2) to slacken, to slow down
 * 3) to wane, to fade
 * 4) to loosen
 * 5) to subside, to lessen, to abate
 * 6) to dim (of light)
 * 7) to become paralyzed
 * 8) to soften, to relent
 * 9) to become indifferent, careless
 * 10) to relax, to loosen up
 * 11) to laugh boisterously
 * 12) to have a weak or upset stomach
 * 13) to fall, to crash, to cave