horrifice
From LSJ
Latin > English (Lewis & Short)
horrĭfĭcē: adv., v. horrificus.
Latin > French (Gaffiot 2016)
horrĭfĭcē,¹⁵ d’une manière effrayante : Lucr. 2, 609 ; 4, 36.
Latin > German (Georges)
horrificē, Adv. (horrificus), mit (heiligem) Schauer, Lucr. 2, 609 u. 4, 36.