Oceanus Deucaledonius

From ōceanus (“ocean”) +‎ Deucalēdonius (“of *Deucaledon”), with the adjective being a misspelling of Deucaliōnius / Deucaliōnēus (“of Deucalion”), in confusion with the nearby Calēdonia (“Scotland”). Deucalion was a son of Prometheus in Greek mythology who survived a flood sent by Zeus. Possibly preceded by a term such as *Ōceanus Deucaliōnius.

• (Classical Latin) IPA^(key): [oːˈke.a.nʊs dɛu̯.ka.ɫeːˈdɔ.ni.ʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [oˈt͡ʃɛː.a.nus deu̯.ka.leˈdɔː.ni.us]

Ōceanus Deucalēdonius m sg (genitive Ōceanī Deucalēdoniī); second declension

1. the Deucaledon Ocean (a historical ocean which comprises roughly the northernmost parts of the Atlantic Ocean)

Second-declension noun with a second-declension adjective, singular only.

• English: → Deucaledon Ocean (calque)

• Guilielmo Blaeuw (1622), Europa recens descripta [A recent description of Europe] (in Latin).