Where does “pinacle” come from?

pinacle (Catalan) comes from French pinacle, 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 (Catalan): pinnacle

Definitions

  1. pinnacle

Ancestry of “pinacle”, step by step

StepLanguageWordMeaning
1Frenchpinaclepinnacle, top
2Medieval Latinpinnaculuma peak, pinnacle
3LatinpinnaAlternative form of penna; dorsal fin; wing,...
4Latinpennawing; feather, especially a flight-feather;...
5Proto-Italicpetnāfeather; wing
6Proto-Indo-Europeanpéth₂r̥wing; feather
7Proto-Indo-Europeanpeth₂-to spread out; to fly
Every word from Proto-Indo-European peth₂-Every word from Proto-Indo-European péth₂r̥Every word from Proto-Italic petnā