Where does “unipennate” come from?

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

unipennate (English): Of, pertaining to, or having the nature of a...

Definitions

  1. Of, pertaining to, or having the nature of a...

Ancestry of “unipennate”, step by step

unipennate traces back through two separate lines of ancestry.

via English pennate

StepLanguageWordMeaning
1EnglishpennateHaving a feather-like shape; A penniform muscle
2Latinpennatuswinged
3Latinpennawing; feather, especially a flight-feather;...
4Proto-Italicpetnāfeather; wing
5Proto-Indo-Europeanpéth₂r̥wing; feather
6Proto-Indo-Europeanpeth₂-to spread out; to fly

via English uni

StepLanguageWordMeaning
1EnglishuniUniversity; Sea urchin eaten as sushi
2Japanese雲丹the food made from the roe of sea urchin,...
Every word from Proto-Indo-European peth₂- →Every word from Proto-Indo-European péth₂r̥ →Every word from Proto-Italic petnā →