Grimnes

According to the Old English Dictionary:

se;

grimnes

f. GRIMNESS, severity, fierceness, cruelty; ferocitas, atrocitas :-- Se deófol wile hit him mid grimnesse and mid yfele eall forgyldan the devil will requite it all to him with cruelty and with evil, Blickl. Homl. 55, 24. Hí sceoldan ðǽm unriht-dóndum mid grimnesse stéran they should restrain with severity all evil-doers, 63, 12. On grimnesse in exacerbatione, Ps. Th. 94, 9. Cwǽdon to gúðlíce mid grimnysse fiercely they [evil spirits] spoke to Guthlac, Exon. 41 a; Th. 136, 33: Gú. 550. [Prompt. Parv. grymnesse austeritas, rigor, horror, horribilitas.] grimnes