Old English clāthian, from clāthcloth; related to Old Norse klætha
Word Origin and History for clothes
n.
Old English claðas "cloths, clothes," originally plural of clað "cloth" (see cloth), which, in 19c., after the sense of "article of clothing" had mostly faded from it, acquired a new plural form, cloths, to distinguish it from this word.
clothe
v.
Old English claðian, from claþ (see cloth). Related: Clothed, clothing. Other Old English words for this were scrydan and gewædian.