For-myrþrian

According to the Old English Dictionary:

for-myrþrian

p. ode; pp. od To kill, murder, destroy utterly; occīdĕre, enĕcāre, perdĕre :-- Gif wíf hire cild formyrþrige innan hire si mŭlier infantem suum intra se perdidĕrit, L. M. I. P. 10; Th. ii. 268, 5. for-myrþrian