aere aeri

aereere,  s. a bog encrusted with the plant mapua and vibrating from unsoundness when trod upon; commotion, agitation, disorder in an army
— v.n. to shake or vibrate, as the surface of a bog, or the ground on the fall of some heavy thing; to be agitated or in commotion, as the mind on hearing bad tidings [Dav : 139]
aereere,  s. agitation. v.n. être agité. [Jau :42]