LATIN DICTIONARYLexicon Latīnum
suffix · femininefirst declension

-ia

-ia f (genitive -iae)

Meaning

  1. femininemorphemeUsed to form an abstract noun, usually from an adjective ending in -us, or (rarely in later Latin) one ending in -ius, or from a present participle stem, and occasionally from a root noun.
    absēns + -ia → absentia dēmēns + -ia → dēmentia valēns + -ia → valentiaaffixed to present participles
    audāx + -ia → audācia angustus + -ia → angustia fācundus + -ia → fācundia ignāvus + -ia → ignāvia opulentus + -ia → opulentiaaffixed to adjectives
  2. femininemorphemeUsed to form country names, usually corresponding to adjectives/nouns of ethnicity or nationality that end in -us
    Graecus + -ia → Graecia
    Gallus + -ia → Gallia

Origins

From substantivisation of the feminine of the adjectival suffix -ius, from Proto-Italic *-(i)jos. Compare -ium as a noun-forming suffix. Occasionally from Ancient Greek -ίᾱ (-íā), -ία (-ía) and -εια (-eia), and so ultimately from Proto-Indo-European *-i-eh₂.

Descendants
  • Italian-ia
  • French-iefrom Old French -ie
  • English-yfrom Old French -ie
  • English-iefrom Old French -ie
  • Middle High German-iefrom Old French -ie
  • Sicilian-ia

Quick answers

What does -ia mean in Latin?
-ia, a suffix, means “Used to form an abstract noun, usually from an adjective ending in -us, or (rarely in later Latin) one ending in -ius, or from a present participle stem, and occasionally from a root noun.; Used to form country names, us”.