Where does “pinacle” come from?

pinacle (French) comes from Medieval Latin pinnaculum, 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.

pinacle (French): pinnacle, top

Definitions

  1. pinnacle, top

Ancestry of “pinacle”, step by step

StepLanguageWordMeaning
1Medieval Latinpinnaculuma peak, pinnacle
2LatinpinnaAlternative form of penna; dorsal fin; wing,...
3Latinpennawing; feather, especially a flight-feather;...
4Proto-Italicpetnāfeather; wing
5Proto-Indo-Europeanpéth₂r̥wing; feather
6Proto-Indo-Europeanpeth₂-to spread out; to fly

Words derived from “pinacle

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