Where does “bipinnate” come from?

bipinnate (English) comes from English pinnate, from Latin pinnātus, 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.

bipinnate (English): Doubly pinnate; pinnate and having leaflets that...

Definitions

  1. Doubly pinnate; pinnate and having leaflets that...

Ancestry of “bipinnate”, step by step

StepLanguageWordMeaning
1EnglishpinnateResembling a feather; Having two rows of...
2Latinpinnātusfeathered; winged
3LatinPinnaA city of the Vestini situated on the eastern slope of the Apennines, now the town of Penne
4Latinpennawing; feather, especially a flight-feather;...
5Proto-Italicpetnāfeather; wing
6Proto-Indo-Europeanpéth₂r̥wing; feather
7Proto-Indo-Europeanpeth₂-to spread out; to fly

Words derived from “bipinnate

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