Ebb is defined as the movement of the tide out to the sea.(noun)
An example of ebb is the movement of tide water out to the ocean or sea.
To ebb means to move out further into the sea and further from land or to gradually decline or lessen.(verb)
See ebb in Webster's New World College Dictionary
Origin: ME ebbe < OE ebba (common LowG, as in MLowG ebbe > Ger ebbe, OFris ebba) < Gmc *abjan, a going back < IE base *apo-, from, away from > off
Origin: ME ebben < OE ebbian
See ebb in American Heritage Dictionary 4
Origin: Middle English ebbe
Origin: , from Old English ebba; see apo- in Indo-European roots.
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