Etymology

sharrow

shar·row
S1H4A1R1R1O1W4

Today it means: A marking (often consisting of an image of a bicycle with two inverted V shapes either above or below it) on the surface of a paved road shared by both bicycles and other vehicles indicating a portion of the road that cyclists may use. Full definition →

First used c. 2004
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The story

Blend of share (verb) + arrow, coined by Oliver Gajda of the City and County of San Francisco Bicycle Program; see the 21 July 2004 quotation.

First known use, by meaning

  • from c. 2004 A marking (often consisting of an image of a bicycle with two inverted V shapes either above or below it) on the surface of a paved road shared by both bicycles and other vehicles indicating a portion of the road that cyclists may use.

Etymology from Wiktionary, CC BY-SA 4.0.