"Shaktimaan" is a word of the well known language 'Hindi'. It is
formed by two subwords 'Shakti' & 'Maan' i.e. "Shaktimaan = Shakti +
Maan". Shakti means 'Power' & Maan stands for 'Man'. Now, you can
determine the literal meaning of Shaktimaan yourself (by joining
corresponding words).
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