Janus

noun
Ja·​nus | \ˈjā-nəs \

Definition of Janus 

: a Roman god that is identified with doors, gates, and all beginnings and that is depicted with two opposite faces

First Known Use of Janus

1508, in the meaning defined above

History and Etymology for Janus

Latin

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The first known use of Janus was in 1508

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obstinately defiant of authority

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