出典:Wiktionary
出典:『Wiktionary』 (2026/04/26 20:26 UTC 版)
From Latin -um (neuter singular morphological suffix), based on Latin terms for metals such as ferrum (“iron”).
-ium (noun-forming suffix, usually uncountable, plural -iums)
Reanalysis from multiple Latin or New Latin compounds suffixed with -ium, whose function, among others, is to derive parasynthetic compounds.
-ium (noun-forming suffix, plural -iums or -ia)
From -ius (suffix forming adjectives): as a nominal suffix (Suffix 1), a substantivisation of its neuter forms; as an adjectival suffix (Suffix 2), regularly declined forms. Compare Ancient Greek -ιον (-ion), Proto-Germanic *-(i)ją, Proto-Slavic *-ьje.
-ium n (genitive -iī or -ī); second declension
Second-declension noun (neuter).
| singular | plural | |
|---|---|---|
| nominative | -ium | -ia |
| genitive | -iī -ī |
-iōrum |
| dative | -iō | -iīs |
| accusative | -ium | -ia |
| ablative | -iō | -iīs |
| vocative | -ium | -ia |
Found in older Latin (until the Augustan Age).
-ium