1 erfið-liga
adv. with pain and toil; er hann sótti e. til hans, he strove hard to get up to him, Edda 60; e-t horfir e., looks hard, Nj. 139; búa e. við e-n, to treat one harshly, Fas. ii. 96; at skipi þessu farisk e., that his ship will fare ill, make a bad voyage, vi. 376; varð mér þar erviðligast um, there I met with the greatest difficulties, Nj. 163.