Where does “pinakel” come from?

pinakel (Middle Dutch) comes from Old French pinacle, 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 “pinakel”, step by step

StepLanguageWordMeaning
1Old Frenchpinacle
2Latinpinnāculuma peak, pinnacle
3LatinPinnaA city of the Vestini situated on the eastern slope of the Apennines, now the town of Penne
4Latinpennawing; feather, especially a flight-feather;...
5Proto-Italicpetnāfeather; wing
6Proto-Indo-Europeanpéth₂r̥wing; feather
7Proto-Indo-Europeanpeth₂-to spread out; to fly

Words derived from “pinakel

Every word from Proto-Indo-European peth₂-Every word from Proto-Indo-European péth₂r̥Every word from Proto-Italic petnā