rappel
From Longman Dictionary of Contemporary Englishrappelrap‧pel /ræˈpel/ verb (rappelled, rappelling) [intransitive] American English to go down a cliff or rock by sliding down a rope and touching the rock or cliff with your feet SYN abseil British English —rappel noun [countable]→ See Verb tableOrigin rappel (1900-2000) French rappeler “to bring back to yourself”