Japanese
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Etymology
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From 加算 (kasan, “addition”) + クロス (kurosu, “cross”), based on English Cross Sums or Cross Addition. Cross Sums appears in English from the 1960s,[1] with Japanese カックロ from the 1980s.
カックロ • (kakkuro)
- (games) kakuro
Descendants
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See also
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References
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- ^ “Kakuro history”, in Conceptis puzzles[1], 2024 March 8 (last accessed).