verb tr., intr.: to walk through; to roam
From Latin perambulare (to walk through), from per- (through) + ambulare (to walk). Ultimately from the Indo-European root ambhi- (around), which is also the source of ambulance, alley, preamble, bivouac, and obambulate.
Earliest documented use: 1450
Usage (from Wordsmith)
“The state is home to a number of series where the deceased perambulate (‘The Walking Dead’, ‘Resurrection’).”
Brian Lowry; Increased Shooting in Georgia is About More Than Location; Variety (Los Angeles); May 6, 2014.