Spindle comes from Old English spinel ('spindle'), from spinnan ('to spin') + the instrumental suffix -el, with an intrusive -d-. The historical chain includes Old English spinel and Old English spinnan. Older glosses in the chain include "spindle" and "to spin", which help explain the semantic range of the modern word. Morphologically, spindle is best read as compound, suffixal formation, and borrowing, yielding an English noun shaped by both form history and later usage. In current English it functions as a noun, with the sense "a slender rod used to twist and wind thread in spinning". English derivatives include spindly; related forms include spin. The result is an English noun whose etymology preserves the older forms while supporting the word's specialized modern meaning.