出典:Wiktionary
出典:『Wiktionary』 (2026/03/29 22:50 UTC 版)
First used in 1202 by Italian mathematician Leonardo Fibonacci, probably borrowed from Arabic صِفْر (ṣifr, “nothing; cipher”). Doublet of cīfra (“cipher”).
zēphirum n (genitive zēphirī); second declension
Second-declension noun (neuter).
| singular | plural | |
|---|---|---|
| nominative | zēphirum | zēphira |
| genitive | zēphirī | zēphirōrum |
| dative | zēphirō | zēphirīs |
| accusative | zēphirum | zēphira |
| ablative | zēphirō | zēphirīs |
| vocative | zēphirum | zēphira |