Etymology
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signpost (n.)

also sign-post, 1610s, "sign on a post, usually indicating an inn or shop; post having an arm from which a sign hangs or swings," from sign (n.) + post (n.1). The meaning "guide- or direction-post along a road, finger-post" is attested from 1863. The figurative sense is from 1889.

updated on October 26, 2022

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