Fibonacci.
A surname from Italian.
Meaning & usage
A surname from Italian.
The Italian mathematician Leonardo Bonacci, who was called Fibonacci, introduced the Hindu–Arabic numeral system to Europe.
Where this word comes from
From Latin filius (“son”) + Italian Bonacci, a diminutive of Bono, from Latin bonum, ultimately meaning literally, "son of the (little) good man."
Of or pertaining to the Fibonacci sequence.
Where this word comes from
From Latin filius (“son”) + Italian Bonacci, a diminutive of Bono, from Latin bonum, ultimately meaning literally, "son of the (little) good man."
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.