- alteration of Middle English oof, from Old English ōwef, from ō- (from on) + wefan to weave — more at
- before 12th century
1 a: 1a b: woven fabric; also : the texture of such a fabric
2: a basic or essential element or material
woof. (2008). In Merriam-Webster Online Dictionary.
Retrieved May 15, 2008, from http://www.merriam-webster.com/dictionary/woof