Iapetus

• Japetus

Ancient Greek Ἰαπετός (Iapetós).

• (moon): Named after the titan.
• (ocean): The Iapetus Ocean was the predecessor to the Atlantic Ocean, so this name was chosen because Iapetus is the father of Atlas (see Atlantic).

• IPA^(key): /aɪˈæpɪtəs/[1]

Iapetus

1. (Greek mythology) A Titan, the son of Uranus and Gaia, and father of Atlas, Prometheus, Epimetheus, and Menoetius.
2. (astronomy) The third largest moon of Saturn
3. (geology) An ancient ocean which existed between 600 and 400 million years ago.
   • 2004, Richard Fortey, The Earth, Folio Society, published 2011, page 184:

     So, in the early Ordovician, Iapetus was wide enough to have one side in high latitudes and the other in the tropics: a massive ocean, indeed.

• (ocean): Proto-Atlantic, Proto-Atlantic Ocean

• Iapetian

• Iapetic

• Paiutes, taupies

Borrowed from Ancient Greek Ῑ̓ᾰπετός (Īapetós, “Iapetus”).

• (Classical) IPA^(key): /iːˈa.pe.tus/, [iːˈäpɛt̪ʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /iˈa.pe.tus/, [iˈäːpet̪us]

Īapetus m sg (genitive Īapetī); second declension

1. (Greek mythology) Iapetus
   • 303 CE – 311 CE, Lactantius, Institutiones Divinae 2.10.7:

     Prometheus ex Iapeto natus est

     Prometheus himself was born from Iapetus

Second-declension noun, singular only.

• Īapetīonidēs (patronymic)

• → English: Iapetus

• “Iapetus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press