-aceus

Latin

Alternative forms

• -ācius (Late Latin, misspelling)

Etymology

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

Pronunciation

• (Classical Latin) IPA^(key): [ˈaː.ke.ʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈaː.t͡ʃe.us]

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:
  • Catalan: -às
  • Old French: -ace f
    • French: -asse
• Ibero-Romance:
  • Asturian: -aciu, -azu
  • Galician: -azo
  • Mozarabic: *-ačo
  • Portuguese: -aço
  • Spanish: -azo
• Borrowings:
  • → Catalan: -aci
  • → English: -aceous
  • → Italian: -aceo
  • → Portuguese: -áceo
  • → Spanish: -áceo
  • → Translingual: -aceae

See also

Latin terms suffixed with -aceus

acalyphaceus

argillaceus

arundinaceus

betaceus

cacabaceus

capillaceus

chartaceus

cineraceus

coriaceus

cretaceus

cucumeraceus

cylindraceus

ericaceus

erinaceus

fabaceus

focaceus

focacius

fordeaceus

formaceus

furfuraceus

furnaceus

gallinaceus

harenaceus

hederaceus

herbaceus

holeraceus

hordeaceus

liliaceus

mellaceum

membranaceus

miliaceus

mustaceus

ochraceus

olivaceus

papyraceus

pulleiaceus

rosaceus

sebaceus

spathaceus

sucinaceus

testaceus

tiliaceus

tofaceus

vinaceus

violaceus