An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

A → tidal current that generally moves seaward and occurs during the part of the tide cycle when sea level is falling.

M.E. eb(be); O.E. ebba; cognate with O.Fr. ebba, Du. eb(be), Ger. Ebbe ebb, M.E. ebben, O.E. ebbian, derivative of the noun; akin to → off; PIE base *apo- "off, away;" → tide.

Bâzkeš, from bâz- a suffix denoting "reversal, repetition, opposition," → re-, + keš present stem of kešidan "to draw, drag, carry," → tide.