6 letters · 18 points in Scrabble
originLearned borrowing from Late Latin carnyx, from Byzantine Greek κάρνυξ (kárnux, “carnyx”), from κάρνον (kárnon, “carnyx”) (both translating Galatian words into Greek), from Gaulish carno- (“horn of an animal”) (used in names), from Proto-Celtic *karnos, ultimately from Proto-Indo-European *ḱerh₂- (“head, top; horn of an animal”).
Etymology from Wiktionary, CC BY-SA 3.0