prusik
Concise Oxford English Dictionary © 2008 Oxford University Press:
prusik /ˈprʌsɪk/
▶adjective Climbing relating to or denoting a method of ascending or descending a rope by means of two movable loops attached by a special knot which tightens under pressure.
– derivatives
prusiking noun.
prusiking noun.
– origin 1930s: from the name of the Austrian mountaineer Karl Prusik.
'prusik' also found in these Oxford entries:

