Where does “Fibonacci” come from?
Fibonacci is an English word derived from Italian Fibonacci, a patronymic surname meaning "son of Bonacci" based on the Latin filius meaning "son."
Fibonacci (English): Of or pertaining to the Fibonacci sequence
Definitions
- Of or pertaining to the Fibonacci sequence
Ancestry of “Fibonacci”, step by step
Fibonacci traces back through two separate lines of ancestry.
via Latin Bonacci
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Latin | Bonacci | — |
| 2 | Italian | bono | Alternative form of buono; good |
| 3 | Latin | bonum | nominative neuter singular of bonus; accusative... |
| 4 | Latin | bonus | good, honest, brave, noble, kind, pleasant;... |
| 5 | Old Latin | duenos | Alternative form of duonus |
| 6 | Proto-Italic | dwenos | good |
| 7 | Proto-Indo-European | dew- | to show favour, revere; to fail, to lag, to be... |
via Latin fīlius
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Latin | fīlius | a son |
| 2 | Old Latin | fīlios | — |
| 3 | Proto-Indo-European | dʰeh₁y-li-os | sucker |
| 4 | Proto-Indo-European | dʰeh₁(y)- | to suckle, nurse |