perambulation
n.
mid-15c., from Anglo-Latin (c.1300) and Anglo-French perambulacion, from Medieval Latin perambulationem (nominative perambulatio), noun of action from past participle stem of Latin perambulare (see perambulate).
〔蒋〕[ambul行，走，-ation名词后缀] 游历，徘徊，巡行，漫步，闲荡