出典:Wiktionary
出典:『Wiktionary』 (2026/02/12 03:29 UTC 版)
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| ← 1 | II 2 |
2 → | 3 → | |
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| Cardinal: duo Ordinal: secundus, alter Adverbial: bis Proportional: duplus Multiplier: duplex, alterplex, biplex Distributive: bīnus Collective: bīniō Fractional: dīmidius, sēmis |
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Inherited from Proto-Italic *duplos. By surface analysis, duo + -plus. Cf. Ancient Greek διπλόος (diplóos, “double”), from δι- (di-), from δύο (dúo, “two”), + -πλόος (-plóos, “-fold”), and Proto-Germanic *twīflaz (“doubt”).
First/second-declension adjective.
| singular | plural | ||||||
|---|---|---|---|---|---|---|---|
| masculine | feminine | neuter | masculine | feminine | neuter | ||
| nominative | duplus | dupla | duplum | duplī | duplae | dupla | |
| genitive | duplī | duplae | duplī | duplōrum | duplārum | duplōrum | |
| dative | duplō | duplae | duplō | duplīs | |||
| accusative | duplum | duplam | duplum | duplōs | duplās | dupla | |
| ablative | duplō | duplā | duplō | duplīs | |||
| vocative | duple | dupla | duplum | duplī | duplae | dupla | |