alquebrar

Etymology
.

Verb

 * 1)  to weaken fazer perder o vigor do corpo a
 * 2)  to suffer curvature in the spinal column
 * 3)  to weaken
 * 4)  to deform  with the bow and stern sagging and the keel curved
 * 1)  to deform  with the bow and stern sagging and the keel curved