Odinus

• Ōthinus
• Ōthin (indeclinable)

From Old Norse Óðinn. Morphologically, the second n of Óðinn is parallel to Latin -us.

The th-variants originate with native speakers of Old Norse, and likely reflect their spelling and pronunciation habits.

• (Classical Latin) IPA^(key): [ˈoː.dɪ.nʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈɔː.d̪i.nus]

Ōdinus m sg (genitive Ōdinī); second declension

1. (Medieval Latin, Norse mythology, Germanic paganism) Odin
   • c. 1200, Saxo Grammaticus, Gesta Danorum book 1 chapter 7.1 and book 2 chapter 7.25:

     Ea tempestate cum Othinus quidam Europa tota falso diuinitatis titulo censeretur ...

     In those days there was someone called Odin, who was in all of Europe falsely considered to be a divinity ...

     Et nunc ille ubi sit, qui uulgo dicitur Othin
     Armipotens, uno semper contentus ocello?

     And now where is he, whom people call Odin,
     Armipotent, always content with a single eye?

• Also called Mercury (Mercurius), via interpretation.

Second-declension noun, singular only.

• Vōdanus (from continental Germanic, attested in the 7th century in Vita Sancti Columbani by Jonas of Bobbio)

• "Odinus", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)