Origin: ME lapwinge, altered (by folk etym., by assoc. with lappe, lap & wing, wing) < OE hleapewince < hleapan, to leap + wince < wincian (see wink): prob. so called from its irregular flight
See lapwing in American Heritage Dictionary 4
Origin: By folk etymology from Middle English lapwink, hoopoe, lapwing
Origin: , from Old English hlēapewince
Origin: : hlēapan, to leap
Origin: + *wincan, to waver.
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