Ge-helmian

According to the Old English Dictionary:

ge-helmian

p. ode, ede; pp. od, ed To cover with a helmet, crown; găleāre, cŏrōnāre :-- Ðú gehelmodest us cŏrōnasti nos, Ps. Spl. 5, 15. Of wuldre and weorþmynt ðú gehelmedest hine de glōria et hŏnōre cŏrōnasti eum, Ps. Spl. T. 8, 6. Gehelmod găleātus, Ælfc. Gr. 43; Som. 45, 11. [Laym. i-helmed : O. H. Ger. gehelmot.] ge-helmian