Monday-ish word: abseil

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abseil (äp′sīl′), verb

To do a controlled descent using a rope; to rappel.

Etymology: German abseilen, ab (down) + seil (rope).

'Abseil' is Britsh and 'rappel' is American. ('Rappel' derives from French.)
I'm American, so we "rappeled" down the brick wall of the gymnasium in junior high.
I ran across 'abseil' in an episode of Archer ("The Archer Sanction").

The below picture is from Wikipedia.