ebb


ebb
ebb (n.) O.E. ebba "ebb, low tide," perhaps from P.Gmc. *abjon (Cf. O.Fris. ebba, O.S. ebbiunga, M.Du. ebbe, Du. eb, Ger. Ebbe), from *ab-, from PIE root *apo- "off, away" (see APO (Cf. apo)-). The verb is O.E. ebbian. Figurative sense of "decline, decay" is c.1400. Related: Ebbed; ebbing.

Etymology dictionary. 2014.

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