To be subdued or abated; to yield; to abate.
To overpower; to subdue; to put down.
To quiet; to allay; to pacify; to cause to yield or cease; as, to quell grief; to quell the tumult of the soul.
subdue, quiet 16C OE cwellan, ME quellan "to kill with violence or slaughter"
overcome or allay; "quell my hunger"