The word 'windlass' originates from Middle English windas, borrowed from Old Norse vindáss, a compound literally meaning "a winding pole". The first element, vinda, means "to wind", tracing back to the Proto-Germanic root windaną, which carries the core sense of turning or twisting. The second element, áss, means "pole" or "beam", from Proto-Germanic ansaz. The term entered English describing a simple machine where a rope was wound around a rotating beam or pole for lifting. Over time, the spelling and pronunciation shifted to 'windlass', and its application expanded to more complex mechanical hoisting devices, while retaining the core concept of winding.

Structure: wind + lass - wind: From Middle English winden, meaning "to turn, twist, wind". Of Germanic origin, related to Old English windan (to twist, plait). - lass: Likely a corruption or alteration of an earlier element, possibly related to Middle English las (a piece of rope) or influenced by Old Norse lás (a fastening, lock). Its functional role is to specify the object as a winding device.