(of a vehicle) able to travel on a specific terrain or type of ground
trafficable in American English
(ˈtræfɪkəbəl)
adjective
1.
that can be traveled upon
a trafficable road
2.
suitable for marketing, commercial dealings, etc
Word origin
[1595–1605; traffic + -able]This word is first recorded in the period 1595–1605. Other words that entered Englishat around the same time include: Creole, density, domain, redundant, toss-able is a suffix meaning “capable of, susceptible of, fit for, tending to, given to,”associated in meaning with the word able, occurring in loanwords from Latin (laudable); used in English as a highly productive suffix to form adjectives by addition tostems of any origin (teachable; photographable)