zephirum
Latin edit
Etymology edit
First used in 1202 by Italian mathematician Leonardo Fibonacci, borrowed from Arabic صِفْر (ṣifr, “nothing”, “cipher”). Not related to zephyrus.
Pronunciation edit
- (modern Italianate Ecclesiastical) IPA(key): /ˈd͡ze.fi.rum/, [ˈd̪͡z̪ɛːfirum]
Noun edit
zephirum n (genitive zephirī); second declension
- (Medieval Latin, mathematics) zero
- 1202, Leonardo Fibonacci, chapter I, in Liber Abaci:
- Cum his itaque novem figuris, et cum hoc signo 0, quod arabice zephirum appellatur, scribitur quilibet numerus, […]
- With these nine figures, and with this sign 0, which is called zero in Arabic, any number can be written, […]
Declension edit
Second-declension noun (neuter).
Case | Singular | Plural |
---|---|---|
Nominative | zephirum | zephira |
Genitive | zephirī | zephirōrum |
Dative | zephirō | zephirīs |
Accusative | zephirum | zephira |
Ablative | zephirō | zephirīs |
Vocative | zephirum | zephira |
Related terms edit
- cifra f
Descendants edit
- New Latin: zerum