LATIN DICTIONARYLexicon Latīnum
suffixfirst/second-declension suffix

-āceus

-āceus (feminine -ācea, neuter -āceum)
Classical[ˈaː.ke.ʊs]Ecclesiastical[ˈaː.t͡ʃe.us]

Meaning

  1. morphemesuffix-aceous; resembling, having the nature of, forming, belonging to

Origins

Proto-Indo-European *-éyos Proto-Italic *-ejos Proto-Italic *-eos Latin -eus Latin -aceus From -āx (“inclined to”) + -eus (suffix indicating origin).

Borrowings
  • Catalan-aci
  • English-aceous
  • French-acé
  • Italian-aceo
  • Portuguese-áceo
  • Spanish-áceo
  • Translingual-aceae
Italo-Romance
  • Italian-accio
  • Italian-azzo
  • Sicilian-azzu
Gallo-Romance
  • Catalan-às
  • French-assefrom Old French -ace
Ibero-Romance
  • Portuguese-aço
  • Spanish-azo
  • Asturian-aciu
  • Asturian-azu
  • Galician-azo
  • Mozarabic*-ačo
Balkano-Romance
  • Romanian-aț

Quick answers

What does -āceus mean in Latin?
-āceus, a suffix, means “-aceous; resembling, having the nature of, forming, belonging to”.
How do you pronounce -āceus?
In classical Latin, [ˈaː.ke.ʊs]; in ecclesiastical (church) Latin, [ˈaː.t͡ʃe.us].