conch (n.)youdaoicibaDictYouDict[conch 词源字典]
type of shell, early 15c., from Latin concha "shellfish, mollusk," from Greek konkhe "mussel, shell," from PIE root *konkho-. The name for natives of Florida Keys since at least 1833; the prefered pronunciation there ("kongk") preserves the classical one.[conch etymology, conch origin, 英语词源]