Ge-hirdan

According to the Old English Dictionary:

ge-hirdan

p. de. I. in a physical sense, to harden, temper metal :-- Hē (the goldsmith) gehyrded and gehyrsted wel, Vy. 74. Gesmyrede and gehyrde lita (cf. ātre gemǣled lita (veneno spicula), 96, 69, and see āhyrded, B. 1460), Wrt. Voc. ii. 51, 49. II. in a moral sense, (1) to inspire with fortitude, strengthen, confirm :-- Se gefeá dāra heofon-licena gōda hī gehierde (roborat) wid dǣm brocum, Past. 393, 35. (2) to harden, make obdurate :-- Drihten hig gehyrde Domini sententia fuerat ut indurarentur corda eorum, Jos. II. 20. [Goth. ga-bardjan: O. H. Ger. ge-harten obfirmare,] ge-hirdan