Where does “pinna” come from?

pinna (Latin) comes from Latin penna, from Proto-Italic petnā, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.

pinna (Latin): Alternative form of penna; dorsal fin; wing,...

Definitions

  1. Alternative form of penna; dorsal fin; wing,...

Ancestry of “pinna”, step by step

pinna traces back through two separate lines of ancestry.

via Latin penna

StepLanguageWordMeaning
1Latinpennawing; feather, especially a flight-feather;...
2Proto-Italicpetnāfeather; wing
3Proto-Indo-Europeanpéth₂r̥wing; feather
4Proto-Indo-Europeanpeth₂-to spread out; to fly

via Proto-Indo-European (s)piHn-

StepLanguageWordMeaning
1Proto-Indo-European(s)piHn-dorsal fin

Words derived from “pinna”

Every word from Proto-Indo-European peth₂- →Every word from Proto-Indo-European péth₂r̥ →Every word from Proto-Italic petnā →