untrodden

verb (used with object), un·trod, un·trod·den or un·trod, un·tread·ing.

1. to go back through in the same steps.

adjective

1. not trod; not traversed: the untrod wastes of Antarctica.

verb -treads, -treading, -trod, -trodden or -trod

1. (tr) rare to retrace (a course, path, etc)

adj.c.1300, from un- (1) “not” + past participle of tread (v.).