back to line 120 eorðwege - the word occurs twice in a number of other works of Old English. It means essentially "earth / terra" but it could be argued that the "path/way" element relates to the idea of life on earth as a journey or pilgrimage of the soul; cf. forðwege 125a.
To find other occurances of this word go to The Old English Corpus, Simple Search and type in "eor&d;wege", Fragmentary, class by Verse. NB: &d; is translated by the search engine as an ð. Your institution must hold a subscription for the OEC for you to access it.