Terpsichore (n.)youdaoicibaDictYouDict[Terpsichore 词源字典]
the muse of the dance, Greek Terpsikhore, literally "enjoyment of dance," from terpein "to delight" (from PIE root *terp- "to satisfy;" cognates: Sanskrit trpyati "takes one's fill," Lithuanian tarpstu "to thrive, prosper") + khoros "dance, chorus" (see chorus).[Terpsichore etymology, Terpsichore origin, 英语词源]