Inherited from Old Galician-Portuguese deus , from Latin deus .
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Lewis’s Elementary Latin Dictionary
1890 American Book Company edition; pinned Perseus XML digitizationdeus
This word is outside the curated dossier collection. Here is the dictionary’s etymology, with its language and revision preserved. These claims have not yet passed *SET-U’s graph review.
From Old Latin deivos , from Proto-Italic * deiwos , from Proto-Indo-European * deywós . An o-stem derivative from * dyew- ( “ sky, heaven ” ) , from which also diēs and Iuppiter .
Doublet of dīvus : dẹ̄vos, -om, -ōs > dẹ̄os, -om, -ōs with regular loss of -v- before a rounded vowel; it was also lost between identical vowels, followed by contraction: *dẹ̄vẹ̄(s) > dī(s) . As a result, the close -ẹ̄- escaped the regular raising to /ī/ of urban (but not dialectal) Latin, instead merging with /ē/, which itself underwent raising. The remaining genitive singular *dī was regularised to deī , while the vocative became part of the paradigm of the newly-reshaped dīvus . de- was later analogically introduced into the plural; the form diī(s) is absent from Plautus, and might have been reincorporated from a contraction of dīvī (with the same condition as before), or even be purely orthographic.
Cognates with Ancient Greek Ζεύς ( Zeús ) , Διεύς ( Dieús ) —archaic form of Ζεύς, Sanskrit देव ( devá ) , Avestan 𐬛𐬀𐬉𐬎𐬎𐬀 ( daēuua ) , Welsh duw , Lithuanian dievas , Latvian dievs , Persian دیو ( div , “ demon ” ) .
Despite its superficial similarity in form and meaning, not related to Ancient Greek θεός ( theós ) — the Latin cognate of the latter is Latin fānum .
From Latin duos , duas , the masculine and feminine accusative singulars of duō . The nominative form dui come from plural Vulgar Latin * duī , altered from duō under analogy with forms like duae .
From Latin deus ( “ god ” ) . See deus for more information.
From Old Galician-Portuguese deus ( “ God ” ) , from Latin deus ( “ god, deity ” ) , unusual in that it was derived from the nominative instead of the accusative ( deum ), from Old Latin deivos ( “ god, deity ” ) , from Proto-Italic * deiwos ( “ god, deity ” ) , from Proto-Indo-European * deywós ( “ god, deity ” ) , from * dyew- ( “ sky, heaven ” ) .
From Old French deus (compare French deux ), from Latin duōs , masculine accusative of duo .
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