ウール
ウール · uuru · JLPT N2 · noun
wool
🐑🧶 ウール is just the English word wool, borrowed into Japanese as uuru
A katakana loanword from English wool. Japanese has no w+oo+l sound cluster, so wool became u-u-ru: the long uu stands in for the oo, and ru stands in for the final l.