-ius

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Latin[edit]

Pronunciation[edit]

Etymology 1[edit]

From Old Latin -ios, from Proto-Indo-European *-yós.

Suffix[edit]

-ius m ‎(feminine -ia, neuter -ium); first/second declension

  1. forming adjectives from nouns
Declension[edit]

First/second declension.

Number Singular Plural
Case / Gender Masculine Feminine Neuter Masculine Feminine Neuter
nominative -ius -ia -ium -iī -iae -ia
genitive -iī -iae -iī -iōrum -iārum -iōrum
dative -iō -iō -iīs
accusative -ium -iam -ium -iōs -iās -ia
ablative -iō -iā -iō -iīs
vocative -ie -ia -ium -iī -iae -ia
Usage notes[edit]

The suffix -ius is added to a noun to form an adjective indicating "made of" or "belonging to" that noun.

Examples:
pater ‎(father) + ‎-ius → ‎patrius ‎(paternal)
rēx ‎(king, ruler) + ‎-ius → ‎rēgius ‎(kingly, royal)
uxor ‎(wife) + ‎-ius → ‎uxōrius ‎(uxorious)
Derived terms[edit]


Synonyms[edit]

References[edit]

Etymology 2[edit]

See -ior ‎(suffix forming adjectives’ comparative degrees).

Suffix[edit]

-ius

  1. nominative neuter singular of -ior
  2. accusative neuter singular of -ior
  3. vocative neuter singular of -ior

Etymology 3[edit]

See ‎(suffix forming adverbs).

Suffix[edit]

-ius

  1. comparative degree of