-aceus

Latin

Alternative forms

Etymology

Derived from the adjectival suffix -āx (inclined to) +‎ -eus (suffix indicating origin).

Pronunciation

Suffix

-āceus (feminine -ācea, neuter -āceum); first/second-declension suffix

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

Usage notes

The suffix -āceus is added to a noun to form an adjective of relationship to that noun.

membrāna (membrane) + ‎-aceus → ‎membrānāceus (membranaceous)

Declension

First/second-declension adjective.

singular plural
masculine feminine neuter masculine feminine neuter
nominative -āceus -ācea -āceum -āceī -āceae -ācea
genitive -āceī -āceae -āceī -āceōrum -āceārum -āceōrum
dative -āceō -āceae -āceō -āceīs
accusative -āceum -āceam -āceum -āceōs -āceās -ācea
ablative -āceō -āceā -āceō -āceīs
vocative -ācee -ācea -āceum -āceī -āceae -ācea

Descendants

  • Italo-Romance:
    • Italian: -accio, -azzo
    • Sicilian: -azzu
  • Gallo-Romance:
  • Ibero-Romance:
    • Asturian: -aciu, -azu
    • Galician: -azo
    • Mozarabic: *-ačo
    • Portuguese: -aço
    • Spanish: -azo
  • Borrowings:

See also