Where does “pump” come from?
pump (Welsh) comes from Middle Welsh pymp, from Old Welsh pimp, from Proto-Brythonic pɨmp, from Proto-Celtic kʷenkʷe, from Proto-Indo-European pénkʷe — five.
pump (Welsh): five
Ancestry of “pump”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Middle Welsh | pymp | — |
| 2 | Old Welsh | pimp | — |
| 3 | Proto-Brythonic | pɨmp | five |
| 4 | Proto-Celtic | kʷenkʷe | five |
| 5 | Proto-Indo-European | pénkʷe | five |