Note 725 — Chapter XI · THE SWORD IN ANCIENT GREECE: HOMER; HESIOD AND HERODOTUS: MYCENÆ.
Reading edition
Il. viii. 20. The Assyrian Hadi or Bet Edi, ‘House of Eternity,’ probably Grecised, by an afterthought, to ἀϊδής—invisible. See the earliest ‘Miracle-play,’ the descent of Ishtar into Hadi; Soc. Bib. Archæol. vol. ii. part i. p. 188.