atavistic
/ˌætəˈvɪstɪk/adjective
- relating to or characterized by reversion to something ancient or ancestral返祖性的; 回复到远祖的：
atavistic fears and instincts.
原始的恐惧和本能。
派生词
atavism
nounatavistically
adverb词源
late 19th cent.: based on Latin atavus 'forefather' + the adjectival suffix -istic.