Hetollíce

According to the Old English Dictionary:

hetollíce

adv. I. of action, violently, fiercely :-- Se wælreówa deófol wolde geniman þone cnapan of Basilius handum hetolíce teónde, Hml. S. 3, 443. II. severely. Cf. hetol; III :-- Hé ágelt hetollíce wercendum módignysse retribuet abundanter facientibus superbiam, L. 30, 24. hetollice