IPA: /ˈskɪdpruːf/
KK: /skɪdpruf/
Not able to slip or slide easily; designed to prevent slipping.
The new shoes have a skidproof sole that keeps me from falling on wet surfaces.
Skidproof → It is formed from "skid" (of uncertain origin, possibly related to the Old Norse word "skida", meaning to split or slide) and "proof" (from Old English "prōf", meaning to test or to prove). The word "skidproof" means designed to prevent slipping or sliding, thus proving safe to use.
Think of something that is designed to prevent slipping or sliding — 'skid' relates to sliding, and 'proof' means it has been tested to ensure safety.