6 letters · 8 points in Scrabble
noun (mountaineering) a descent of a vertical cliff or wall made by using a doubled rope that is fixed to a higher point and wrapped around the body
verb lower oneself with a rope coiled around the body from a mountainside
originFrom German abseilen, from ab- (“down”) + Seil (“rope”).
Etymology from Wiktionary, CC BY-SA 3.0