Mere-þyssaBosworth & Toller 盎格鲁-撒克逊古英语词典 - mere-þyssa根据古英语词典：an;mere-þyssam. A sea-rusher, a ship :-- On mereþyssan, Andr. Kmbl. 892; An. 446. On mereþissan, 514; An. 257. [Cf. Icel. þysja to rush; þyss uproar.] mere-þyssa