出典:Wiktionary
出典:『Wiktionary』 (2025/06/25 20:34 UTC 版)
From iānus (“arcade, covered passageway”), from Proto-Italic *jānos, from Proto-Indo-European *yeh₂- (“to go, go in, travel”). Cognate with Old Church Slavonic ꙗхати (jaxati, “to travel”) and Sanskrit यान (yāna, “path”).
Second-declension noun, singular only.
| singular | |
|---|---|
| nominative | Iānus |
| genitive | Iānī |
| dative | Iānō |
| accusative | Iānum |
| ablative | Iānō |
| vocative | Iāne |
出典:『Wiktionary』 (2026/02/06 14:12 UTC 版)
First/second-declension adjective.
| singular | plural | ||||||
|---|---|---|---|---|---|---|---|
| masculine | feminine | neuter | masculine | feminine | neuter | ||
| nominative | -iānus | -iāna | -iānum | -iānī | -iānae | -iāna | |
| genitive | -iānī | -iānae | -iānī | -iānōrum | -iānārum | -iānōrum | |
| dative | -iānō | -iānae | -iānō | -iānīs | |||
| accusative | -iānum | -iānam | -iānum | -iānōs | -iānās | -iāna | |
| ablative | -iānō | -iānā | -iānō | -iānīs | |||
| vocative | -iāne | -iāna | -iānum | -iānī | -iānae | -iāna | |