Where does “fifteenfold” come from?
fifteenfold (English) comes from English fifteen, from Middle English fiftene, from Old English fīftīene, from Proto-Germanic fimftehun, from Proto-Germanic tehun, from Proto-Indo-European déḱm̥t — ten.
fifteenfold (English): By a factor of fifteen
Ancestry of “fifteenfold”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | fifteen | The cardinal number occurring after fourteen and... |
| 2 | Middle English | fiftene | fifteen |
| 3 | Old English | fīftīene | — |
| 4 | Proto-Germanic | fimftehun | fifteen |
| 5 | Proto-Germanic | tehun | ten |
| 6 | Proto-Indo-European | déḱm̥t | ten |