Where does “carnyx” come from?

carnyx (English) comes from Ancient Greek κάρνυξ, from Proto-Celtic karwos, from Proto-Indo-European ḱr̥wós, from Proto-Indo-European ḱer-, from Proto-Indo-European kr̥-, from Proto-Indo-European ker- — army.

carnyx (English): A wind instrument used by Iron Age Celts in...

Definitions

A wind instrument used by Iron Age Celts in...

Ancestry of “carnyx”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	κάρνυξ	—
2	Proto-Celtic	karwos	deer, stag
3	Proto-Indo-European	ḱr̥wós	—
4	Proto-Indo-European	ḱer-	to grow, to make grow, to nourish; to plait,...
5	Proto-Indo-European	kr̥-	to turn, to bend
6	Proto-Indo-European	ker-	army

Every word from Proto-Indo-European ker- →Every word from Proto-Indo-European kr̥- →Every word from Proto-Indo-European ḱer- →