Etymograph > Indo-European > Proto-West Germanic > Dictionary > *ho

outer cover, shell; leggings, trousers

Source: https://en.wiktionary.org/wiki/Reconstruction:Proto-West_Germanic/hosa#Proto-West_Germanic
Words originating from this one
OE hose "pants" (hosā > hosǣ > hosæ > hose) through pwgmc-to-oe