Where does “quinquadecillion” come from?
quinquadecillion (English) comes from English decillion, from English -illion, from English million, from Middle English milioun, from Middle French million, from Old French millon, from Italian milione, from Italian mille.
Ancestry of “quinquadecillion”, step by step
quinquadecillion traces back through two separate lines of ancestry.
via English decillion
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | decillion | 10 |
| 2 | English | -illion | Combined with Latin prefixes for names of... |
| 3 | English | million | The cardinal number 1,000,000: 10; a thousand... |
| 4 | Middle English | milioun | The cardinal number 1 000 000: 106; a thousand thousand |
| 5 | Middle French | million | million, 10 |
| 6 | Old French | millon | — |
| 7 | Italian | milione | million |
| 8 | Italian | mille | thousand |
| 9 | Latin | Mīlle | thousand; 1000 |
| 10 | Proto-Italic | smīɣeslī | thousand |
| 11 | Proto-Indo-European | smih₂ǵʰéslih₂ | — |
via English quinqua
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | quinqua | — |