adverb / preposition
along
uh-LAWNG/əˈlɔːŋ/
Following the length or course of something.
The man walks along the narrow path beside a stone wall.

Etymology
The elements meaning “against” and “long” formed a word for something continuous or extended. Its prepositional use developed from “alongside” to “through the whole length of,” the spatial relationship preserved today.
In context
as i turned to observe the rest of the shore behind us i saw the same strange sight repeating all along the beach
More examples
- Small shops stand along the river road.
- The project is moving along faster than expected.
- We cycle along the canal until we reach the bridge.
Similar words
- beside
- Specifies a neighboring position without following a length or course.
- onward
- Expresses forward movement without identifying the route followed.