Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!

Qenya 

mista-

verb. to stray about

A verb in The Etymologies of the 1930s glossed “stray about” derived from the root ᴹ√MIS “go free, stray, wander” (Ety/MIS).