垢こう衣いこういMeanings1noundirty clothes; grimy clothesarchaicArchaic term for soiled or filthy garments; not used in contemporary speech. Found in classical texts.古こ典てんでは、旅たびの僧そうが垢こう衣いをまとう姿すがたが描えがかれる。In classical literature, a traveling monk is depicted wearing dirty clothes.