Jafn-

As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):

jafn-

in compds., such a, so… a, equally, as; er þat skömm j.-mörgum mönnum, it is a shame for so many men; j.-frægr drengr, so fine a fellow; j.-auðveldr, as easy.

Possible runic inscription in Younger Futhark:ᛁᛅᚠᚾ-