Where does “pinniped” come from?

pinniped (English) comes 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.

pinniped (English): Any of various large marine mammals belonging to...

Definitions

  1. Any of various large marine mammals belonging to...

Ancestry of “pinniped”, step by step

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

Words derived from “pinniped

Every word from Proto-Indo-European peth₂-
pinniped — Etymology, Origin & Word History | Etymology Explorer