Hár-ness

According to the Old English Dictionary:

e;

hár-ness

f. Greyness of hair, grey hair :-- [Eld]ra hárnes senum canities, Kent. Gl. 762. Oþ þá grǽgan hárnesse usque cigneam (vetulae senectutis) canitiem, An. Ox. 1877. Hárnessa canos (suos cum dolore ducentes ad inferos), 3367. har-ness