LATIN DICTIONARYLexicon Latīnum
numeralfirst/second-declension numeral

duodēnus

duodēnus (feminine duodēna, neuter duodēnum)
Classical[du.ɔˈdeː.nʊs]Ecclesiastical[du.oˈdɛː.nus]
duodēnum sg. nom. n.; pl. gen. m.; pl. gen. f.; pl. gen. n.; sg. acc. m.; sg. acc. n.; sg. voc. n.

Meaning

  1. in pluralnumeraltwelve each
  2. Medieval Latinnumeralpoetictwelfth
    Tauri nona mala est, similis cui tertia pars est post decimam nec non decimae pars septima iuncta; bisque undena notans et bis duodena nocentes quaeque decem trisque ingeminat fraudatque duobusc. 30 CE, Manilius, Astronomica 4.451
  3. Medieval Latinnumeraltwelvefold

Declension

singular
formmasculinefeminineneuter
nominativeduodēnusduodēnaduodēnum
genitiveduodēnīduodēnaeduodēnī
dativeduodēnōduodēnaeduodēnō
accusativeduodēnumduodēnamduodēnum
ablativeduodēnōduodēnāduodēnō
vocativeduodēneduodēnaduodēnum
plural
formmasculinefeminineneuter
nominativeduodēnīduodēnaeduodēna
genitiveduodēnum
duodēnōrum		duodēnum
duodēnārum		duodēnum
duodēnōrum
dativeduodēnīsduodēnīsduodēnīs
accusativeduodēnōsduodēnāsduodēna
ablativeduodēnīsduodēnīsduodēnīs
vocativeduodēnīduodēnaeduodēna

Origins

See dēnus. Equivalent to duodecim (“twelve”) + -nus.

In English words that came into English from duodēnus

  • duodeneduodena

Quick answers

What does duodēnus mean in Latin?
duodēnus, a numeral, means “twelve each; twelfth; twelvefold”.
How do you pronounce duodēnus?
In classical Latin, [du.ɔˈdeː.nʊs]; in ecclesiastical (church) Latin, [du.oˈdɛː.nus].