"walk through, about, or over," 1560s, from Latin perambulatus, past participle of perambulare "to walk through, go through, ramble through," from per "through" (from PIE root *per- (1) "forward," hence "through") + ambulare "to walk, go about" (see amble (v.)). Related: Perambulated; perambulating.
Selectmen are required by law to perambulate the bounds every five years
per capita
per diem
per se
per stirpes
peradventure
perambulate
perambulation
perambulator
percale
perceivable
perceive