[3] Fjǫrgyn: A name for Jǫrð, Þórr’s mother (cf. Vsp 56/10, Hárb 56/7), which sometimes appears in skaldic poetry as a heiti for ‘earth’. Cf. Goth. fairguni, OE fiergin-, fyrgen- ‘mountain’ and the names of thunder-gods among the etymological parallels to this name in other Indo-European languages, such as Old Lithuanian Perkúnas, Old Slavonic Perunu (AEW: fjǫrgyn).