LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension suffix

-īvius

-īvius (feminine -īvia, neuter -īvium)
Classical[ˈiː.wi.ʊs]Ecclesiastical[ˈiː.vi.us]

Meaning

  1. suffixenlarged form of -īvus
    lixa + -īvius → lixīvius
    sonus + -īvius → sonīvius

Declension

singular
formmasculinefeminineneuter
nominative-īvius-īvia-īvium
genitive-īviī-īviae-īviī
dative-īviō-īviae-īviō
accusative-īvium-īviam-īvium
ablative-īviō-īviā-īviō
vocative-īvie-īvia-īvium
plural
formmasculinefeminineneuter
nominative-īviī-īviae-īvia
genitive-īviōrum-īviārum-īviōrum
dative-īviīs-īviīs-īviīs
accusative-īviōs-īviās-īvia
ablative-īviīs-īviīs-īviīs
vocative-īviī-īviae-īvia

Origins

Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius Latin -īvius From -īvus + -ius.

Quick answers

What does -īvius mean in Latin?
-īvius, a adjective, means “enlarged form of -īvus”.
How do you pronounce -īvius?
In classical Latin, [ˈiː.wi.ʊs]; in ecclesiastical (church) Latin, [ˈiː.vi.us].