IPA: /ˈtrækˌwɔːkər/
KK: /trækˌwɔːkər/
A person who is hired to walk along and check the condition of a section of railroad tracks.
The trackwalker carefully examined the rails for any signs of damage.
Trackwalker → It is formed from "track" (from Old English *trac*, meaning a path or course) and "walker" (from Old English *wealcan*, meaning to move or walk). The word "trackwalker" refers to a person who walks along a track, typically for inspection or maintenance purposes.
Think of someone moving along a 'path' ('track') — that's what a trackwalker does.