Where does “pinacle” come from?
pinacle (Old French) comes from Latin pinnāculum, from Latin Pinna, from Latin penna, from Proto-Italic petnā, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.
Ancestry of “pinacle”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Latin | pinnāculum | a peak, pinnacle |
| 2 | Latin | Pinna | A city of the Vestini situated on the eastern slope of the Apennines, now the town of Penne |
| 3 | Latin | penna | wing; feather, especially a flight-feather;... |
| 4 | Proto-Italic | petnā | feather; wing |
| 5 | Proto-Indo-European | péth₂r̥ | wing; feather |
| 6 | Proto-Indo-European | peth₂- | to spread out; to fly |