What does -mōnium mean in Latin?

-mōnium, a suffix, means “Forms collective nouns and nouns designating legal status or obligation from other nouns.”.

How do you pronounce -mōnium?

In classical Latin, [ˈmoː.ni.ũː]; in ecclesiastical (church) Latin, [ˈmɔː.ni.um].

suffix · neutersecond declension

-mōnium n (genitive -mōniī or -mōnī)

Classical[ˈmoː.ni.ũː]Ecclesiastical[ˈmɔː.ni.um]

morphemeForms collective nouns and nouns designating legal status or obligation from other nouns.
pater (“father”) → patrimōnium (“inheritance”)
māter (“mother”) → mātrimōnium (“marriage”)

From nouns in Proto-Indo-European *-mṓ (e.g. sermō) + -ius.

What does -mōnium mean in Latin?: -mōnium, a suffix, means “Forms collective nouns and nouns designating legal status or obligation from other nouns.”.
How do you pronounce -mōnium?: In classical Latin, [ˈmoː.ni.ũː]; in ecclesiastical (church) Latin, [ˈmɔː.ni.um].