IPA: /ˈtræfɪkəbl/
KK: /ˈtræfɪkəbl/
Able to be used for transportation or travel; suitable for vehicles or people to move on.
The road was trafficable even after the heavy rain.
Trafficable → It is formed from "traffic" (from Old French *trafic*, meaning trade or commerce) and "-able" (meaning capable of). The word "trafficable" means capable of being used for trade or transport.
Think of 'traffic' as related to trade or movement, and '-able' means capable. So, trafficable refers to something that can be used for movement or trade.