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Atavism

//ˈætəˌvɪzəm// noun

Noun

1
The reappearance of an ancestral characteristic in an organism after several generations of absence; a throwback. countable, uncountable
"He was a magnificent atavism, a man so purely primitive that he was of the type that came into the world before the development of the moral nature. He was not immoral, but merely unmoral."
2
a reappearance of an earlier characteristic wordnet
3
The recurrence or reversion to a past behaviour, method, characteristic or style after a long period of absence. countable, uncountable
"She had lost the power to care about his faults. Strange, sweet, poisonous indifference! She was drugged. And she knew it. Would she ever wake out of her dark, warm coma? She shuddered, and hoped not. Mrs Tuke would say atavism. Atavism! The word recurred curiously."
4
Reversion to past primitive behavior, especially violence. countable, uncountable
"I have even read in a book of criminology that the tramp is an atavism, a throw-back to the nomadic stage of humanity."

From French atavisme. Compare ancestorism.

Unscramble this word: atavism