Where does “pinnate” come from?

pinnate (Latin) comes from Latin pinnatus, 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.

pinnate (Latin): vocative masculine singular of pinnātus

Definitions

  1. vocative masculine singular of pinnātus

Ancestry of “pinnate”, step by step

StepLanguageWordMeaning
1Latinpinnatusfeathered; winged; pinnate
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
Every word from Proto-Indo-European peth₂- →Every word from Proto-Indo-European péth₂r̥ →Every word from Proto-Italic petnā →