The majorities behind the government began to dwindle and agitation started to grow.
They dwindle in size; they do not, however, die.
Feudalism claimed its new rights in the capitulary of Quierzy-surOise in 857; the rights of the monarchy began to dwindle in 877.
Hence such imperatives have a tendency to dwindle into optatives.
Similarly, when the axons of the motor spinal cells are by severance of the nerve trunk of a muscle broken through, the muscle cells undergo "degeneration" - dwindle, become fatty, and alter almost beyond recognition.