troglodyte
/ˈtrɒglədaɪt/noun
1- (especially in prehistoric times) a person who lived in a cave（尤指史前）穴居人。
1.1
- a hermit隐士, 隐居者。
1.2
- a person who is regarded as being deliberately ignorant or old-fashioned守旧的人, 老顽固。
派生词
troglodytic
/ˌtrɒgləˈdɪtɪk/ adjectivetroglodytism
noun词源
late 15th cent.: via Latin from Greek trōglodutēs, alteration of the name of an Ethiopian people, influenced by trōglē 'hole'.