one-lane
UK[ˌwʌn ˈleɪn]US[ˌwʌn ˈleɪn]
adj
Having only a single lane for traffic moving in one or both directions.
Morpheme Breakdown
one
lane
one
single
lane
roadway
Etymology
The compound adjective 'one-lane' is a transparent combination of two native English elements. 'One' descends from the Proto-Germanic 'ainaz', which has a stable history of denoting singularity. 'Lane' originates from the Old English 'lanu', a term for a narrow path or roadway, likely of Proto-Germanic origin. The compound logically follows a number-noun pattern common in English, directly describing the physical characteristic of a road having only a single traffic lane. Its formation exemplifies the analytical and descriptive nature of English compounding, where the combined meaning is precisely the sum of its parts.
Analysis
Structure: one (single) + lane (roadway)
- one: From Old English 'ān', meaning "one, single". Its functional role is as a numerical quantifier.
- lane: From Old English 'lanu', meaning "a narrow way, a road". Its functional role is as the core noun denoting the type of roadway.
Examples
The old bridge is only one-lane, so traffic must take turns crossing.
We drove down a winding one-lane road through the mountains.
The highway temporarily became a one-lane road due to construction.