ta·​mas | \ˈtəməs\
plural -es

Definition of tamas 

: the inertia or dullness that constitutes one of the three gunas of Sankhya philosophy — compare rajas, sattva

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First Known Use of tamas

1860, in the meaning defined above

History and Etymology for tamas

Sanskrit, darkness

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The first known use of tamas was in 1860

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full of whispering sounds

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