[2] jarðhyrna (f.) ‘earth-horn’: This cpd, which is not attested elsewhere, most likely denotes an axe with a horned blade whose horn (hyrna f. ‘horn, corner of an axe-head’, Falk 1914b, 107-8) was so long that it touched the ground (cf. skeggja ‘bearded one’, l. 3).