English

Proper noun

Heliopolis

1. (historical) Iunu or On, the capital of the 13th nome of Lower Egypt in antiquity, located in the northern suburbs of modern Cairo.
2. (historical) The city now known as Baalbek, Lebanon.
3. A suburb of Cairo, Egypt.
4. A suburb of Athens, Greece.

Synonyms

• (Ancient Egyptian city): Iunu, Iwnw, On, Awen, Heliopolis in Augustamnica
• (Ancient Syrian city): Heliopolis Syriaca, Heliopolis in Syra, Heliopolis in Coelosyria, Heliopolis in Phoenicia

Latin

Etymology

From Ancient Greek Ἡλιόπολις ‎(Hēliópolis, “city of the sun”).

Proper noun

Hēliopolis f ‎(genitive Hēliopolis or Hēliopoleos or Hēliopolios); third declension

1. Heliopolis (city in Ancient Egypt)

Declension

Third declension, with locative.

The inflected forms Hēliopoleos, Hēliopolios, and Hēliopolin are only attested postclassically.

References

• Heliopolis in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• Félix Gaffiot (1934), “Heliopolis”, in Dictionnaire Illustré Latin-Français, Paris: Hachette.