Where does “pilastre” come from?
pilastre (French) comes from Middle French pilastre, from Italian pilastro, from Italian pila, from Latin pila, from Latin pīlus, from Latin pīlum, from Proto-Italic pistlom, from Proto-Indo-European pis-tlo- — to grind, to crush.
Ancestry of “pilastre”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Middle French | pilastre | — |
| 2 | Italian | pilastro | pillar, column; pilaster; obelisk |
| 3 | Italian | pila | pile; battery; torch / flashlight |
| 4 | Latin | pila | mortar; pillar; pier |
| 5 | Latin | pīlus | — |
| 6 | Latin | pīlum | — |
| 7 | Proto-Italic | pistlom | — |
| 8 | Proto-Indo-European | pis-tlo- | — |
| 9 | Proto-Indo-European | peys- | to grind, to crush |