[8] hliðdyrr (f. or n. acc. pl.) ‘side-door’: Lit. ‘side-doors’. This is a hap. leg. whose translation is uncertain: hlið means ‘side’ or ‘opening’ (see LP: hlið). The first element of the cpd must have been added to provide the internal rhyme (hlið : lið), and the word refers to the mouth of the cavern.