Where does “tracheale” come from?

tracheale (Italian) comes from Italian trachea, from Latin trachia, from Ancient Greek τραχεῖα, from Ancient Greek τραχύς, from Proto-Hellenic tʰrākʰús.

tracheale (Italian): tracheal

Definitions

tracheal

Ancestry of “tracheale”, step by step

Step	Language	Word	Meaning
1	Italian	trachea	trachea, windpipe; trachea
2	Latin	trachia	The windpipe, trachea
3	Ancient Greek	τραχεῖα	windpipe
4	Ancient Greek	τραχύς	jagged; prickly; rugged
5	Proto-Hellenic	tʰrākʰús	—

Every word from Proto-Hellenic tʰrākʰús →Every word from Ancient Greek τραχύς →Every word from Ancient Greek τραχεῖα →