An Etymological Dictionary of Astronomy and Astrophysics

Tide which occurs during the → first quarter and → third quarter of the → Moon when the pull of the Sun is at → right angles to that of the Moon.

Etymology (EN): Neap, from M.E. neep, from O.E. nepflod “neap tide” + → tide.

Etymology (PE): Kehkešan “small tide,” from keh- “small, little,” → low, + kešand, → tide.