Westrobothnian väsa

← Old English weornian (cognate)

← Middle High German - (cognate)

← Middle High German verwësen (mention)

← Middle High German wësen (mention)

← Ancient Greek ῑ̓ός (cognate)

← Proto-Indo-European *wis- (derived)

← Icelandic visinn (cognate)

← Latin virus (cognate)

← Old Norse *vesa (inherited)