Hirdenn
Bosworth & Toller Anglo-Saxon Old English Dictionary - hirdenn
According to the Old English Dictionary:
e;
- hirdenn
- f. A hardening :-- xii ðúsendum sí ða sceatpra ðonne seó án flán ðe sý fram hundtwelftigum hyrdenna geondhyrded, Sal. K. P. 150. 28. hirdenn