IPA: /ˈkoʊˌdraɪvər/
KK: /ˈkoʊˌdraɪvər/
A person who assists the main driver in a vehicle, especially in rally racing, by providing navigation and directions.
During the rally, the codriver helped the driver find the best route through the challenging terrain.
Codriver → It is formed from "co-" (meaning together) and "driver" (from Old English "drīfan", meaning to drive). The word "codriver" refers to a person who drives together with another driver, typically sharing the driving responsibilities.
Think of two people driving "together" ('co-') — that's why a codriver is someone who shares the driving.