wanken

Etymology
From, from , from , from.

Verb

 * 1) to sway, waver swing slowly, usually such that there is danger of fall or collapse
 * 2) to stagger, totter, reel walk swayingly
 * 3)  to falter, waver be on the verge of defection, grow weak in enthusiasm, faith, loyalty
 * 1) to stagger, totter, reel walk swayingly
 * 2)  to falter, waver be on the verge of defection, grow weak in enthusiasm, faith, loyalty
 * 1)  to falter, waver be on the verge of defection, grow weak in enthusiasm, faith, loyalty
 * 1)  to falter, waver be on the verge of defection, grow weak in enthusiasm, faith, loyalty

Etymology
From, from , from.

Verb

 * 1) to vary
 * 2) to fluctuate