For-wiernan
Bosworth & Toller Anglo-Saxon Old English Dictionary - for-wiernan
According to the Old English Dictionary:
-wirnan;
- for-wiernan
- p. de; pp. ed To hinder, prevent, keep from, withhold; arcēre, rĕtĭnēre :-- Ðæt ða Deniscan him ne mehton ðæs rípes forwiernan that the Danish might not hinder them from the harvest Chr. 896; Erl. 94, 7. Ðæt mann forwierne his sweorde blódes, ðæt hwá forwirne his láre ðæt he mid ðære ne ofsleá ðæs flǽsces lustas keeping one's sword from blood is withholding one's instruction, and not slaying with it the lusts of the flesh, Past. 49; Hat. MS.