IPA: /ˈswɪtʃ.mən/
KK: /ˈswɪtʃmən/
A person who controls the movement of trains by changing the tracks they follow, usually in a railroad yard.
The switchman skillfully directed the trains to their correct tracks.
Switchman → It is formed from "switch" (from Old English *swiccan*, meaning to move or change) and "man" (from Old English *mann*, meaning human or person). A switchman is a person who operates or changes the direction of railway switches.
Think of someone who 'moves' ('swiccan') the tracks — that's why a switchman is a person who changes the direction of trains.