also: ゆふ
noun
oil-soaked cloth; oily rag
Refers to a piece of cloth that has been soaked in oil, often used for cleaning or maintenance.
機械の手入れに油布を使う。
I use an oily rag for machine maintenance.
昔の雨具は油布でできていた。
Old rain gear was made of oilcloth.
Compound of 油 (oil) and 布 (cloth). The reading ゆふ is a rare historical reading.