Gringan

According to the Old English Dictionary:

ic gringe, ðú gringest, gringst, he gringeþ, gringþ,

gringan

pl. gringaþ; p. grang, pl. grungon; pp. grungen To sink down, perish; occumbere, prosterni :-- On herefelda hǽðene grungon the heathen sank down upon the battlefield, Elen. Kmbl. 252; El. 126. [Cf. cringan.] gringan