1) Exclusively Saxon word 2) Exclusively Anglo word 3) Word with Anglo-Saxon origins 4) Word of purely Anglo origin 1) Architectural element 
[stairs] A dog-leg is a configuration of stairs between two floors of a building, often a domestic building, in which a flight of stairs ascends to a half-landing before turning 180 degrees and continuing upwards. The flights do not have to be equal, and frequently are not. Structurally, the flights of a dog-leg stair are usually supported ...
a bend in pipe, a ditch, or a well.