Un-hár

According to the Old English Dictionary:

un-hár

adj. Very grey (un- seems to have here the unusual force of an intensive) :-- Hróðgár, eald and unhár (cf. the epithets elsewhere applied to him, gamolfeax, 1220; B. 608: blondenfeax, 3586; B. 1791), Beo.Th. 719; B. 357. un-har