As defined by A Concise Dictionary of Old Icelandic (Geir Zoëga):
- adv. from behind behind, opp. to framan; þá greip hann a. undir hendr honum, from behind; fyrir a., as prep. with acc., behind; ek hjó varginn í sundr fyrir a. bóguna, just behind the shoulders.
Possible runic inscription in Younger Futhark:ᛅᛒᛏᛅᚾ