wool
noun
[ wʊl ]
• the fine, soft curly or wavy hair forming the coat of a sheep, goat, or similar animal, especially when shorn and prepared for use in making cloth or yarn.
• "Harris tweed is made from pure new wool"
Origin:
Old English wull, of Germanic origin; related to Dutch wol and German Wolle, from an Indo-European root shared by Latin lana ‘wool’, vellus ‘fleece’.