Grísan

According to the Old English Dictionary:

ic gríse, ðú grísest, gríst, he gríseþ, gríst,

grísan

pl. grísaþ; p. ic, he grás, ðú grise, pl. grison; pp. grisen To shudder, to be frightened; horrere. [Me grises, A. R. 366, 7, note: gros, p. King Horn. 1314: his herte gros, Man. ed. Furn. 8532: him gros, Handl. Synne 7875.] DER. a-grísan, grislíc, an-grislíc, -grisenlíc. grisan