Where does “Hoorn” come from?

Hoorn (English) comes from Dutch hoorn, from Middle Dutch horn, from Old Dutch horn, from Proto-Germanic hurną, from Proto-Indo-European ḱer-, from Proto-Indo-European kr̥-, from Proto-Indo-European ker- — army.

Ancestry of “Hoorn”, step by step

Step	Language	Word	Meaning
1	Dutch	hoorn	a horn or a bugle; a horn; a receiver, an...
2	Middle Dutch	horn	—
3	Old Dutch	horn	—
4	Proto-Germanic	hurną	horn
5	Proto-Indo-European	ḱer-	to grow, to make grow, to nourish; to plait,...
6	Proto-Indo-European	kr̥-	to turn, to bend
7	Proto-Indo-European	ker-	army

Every word from Proto-Indo-European ker- →