Where does “трахеја” come from?

трахеја (Serbo-Croatian) comes from Medieval Latin trachea, from Latin trachia, from Ancient Greek τραχεῖα, from Ancient Greek τραχύς, from Proto-Hellenic tʰrākʰús.

трахеја (Serbo-Croatian): trachea

Definitions

trachea

Ancestry of “трахеја”, step by step

Step	Language	Word	Meaning
1	Medieval Latin	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 →