Who put the Indian in Indian openings?

Why, after all, are the Indian openings called "Indian"? Conrad Schormann tried to find an answer to this question and found it in the ChessBase Mega Database. It led him back to a clash of classical and hypermodern theory in old India.

How to Play the King's Indian Attack –

King's Indian Attack Chess Opening

King's Indian Defense, Rating Chess Openings Pt. 20, #chess #chessto

King's Indian Defense: Opening Guide for White & Black - Chessable Blog

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Chess Openings: Kings Indian Defense

WIN IN 9 MOVES/HIDDEN OPENING TRICKS IN KING'S INDIAN ATTACK/chess tricks to win faster

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The King's Indian for the Attacking Player (Batsford Chess Library) (Openings)

What does a chess player need who is familiar with the rules, but often gets into trouble right away in the opening? This question was the starting

Openings - The King's Indian Defense