[8] fylli (3rd pers. sg. pres. subj.) ‘may founder’: An impersonal use of fylla ‘fill’ with the acc. of that which fills with water, in a specific nautical sense (Fritzner: fylla 1; CVC: fylla) of a ship taking water. The line þótt Elliða fylli appears also in Friðþjófs rímur III, 4/4.