IPA: /ˈɔːtəˌkrɒs/
KK: /ˈɔːtəˌkrɔs/
A type of motorsport where drivers race against the clock on a closed course, often featuring tight turns and obstacles to test their driving skills.
He participated in an autocross event last weekend and improved his driving skills.
Autocross is formed from "auto-" (from Greek "αὐτός" meaning self) and "cross" (from Old English "cros" meaning a structure or course). The word refers to a type of motorsport where drivers race their vehicles on a course designed for self-driven competition.
Think of 'self' ('auto-') driving through a 'course' ('cross') — that's what autocross is all about.