10 letters · 15 points in Scrabble
noun one who lives in solitude
noun someone who lives in a cave
originLearned borrowing from Latin Trōglodytae (“cave-dwelling people”), from Ancient Greek τρωγλοδύτης (trōglodútēs, “one who dwells in holes”), from τρώγλη (trṓglē, “hole”) + δύω (dúō, “to get into”).
Etymology from Wiktionary, CC BY-SA 3.0