guidepost
UK[ˈɡaɪdpəʊst]US[ˈɡaɪdpoʊst]
n
A post with a sign giving directions for travelers, especially at a road junction.
n
Something that serves as a guide or principle; a standard.
Morpheme Breakdown
guide
post
guide
to lead or direct
post
a stake or pole set upright
Etymology
The word 'guidepost' is a transparent compound formed from two native English elements, 'guide' and 'post'. 'Guide' entered English via Old French, tracing back to a Germanic root meaning "to know the way" or "to lead". 'Post' has a dual heritage from Old English and Latin, consistently denoting an upright stake or pillar. The literal combination, a "directing pole," perfectly captures the original physical object: a sign fixed to a post to show the way at a crossroads. Over time, this concrete image was metaphorically extended to describe any clear principle or indicator that provides direction in decision-making or thought, moving from a physical marker to an abstract standard.
Analysis
Structure: guide + post
- guide: From Middle English giden, from Old French guider, of Germanic origin. Functional role: Core semantic root meaning "to lead or direct".
- post: From Old English post ("pillar, doorpost") and Latin postis, meaning "a stake or pole set upright". Functional role: Noun suffix indicating a physical object or structure.
Examples
An old wooden guidepost pointed the way to the distant village.
The company's ethical code serves as a guidepost for all employee conduct.
He considered his grandfather's advice a lifelong guidepost.