su doku
n.— «“You won’t find Su Doku in a Japanese dictionary,” said puzzle creator Wayne Gould in The Times of London. “It’s a coined word, made up by a Japanese publisher.…As I understand it ‘Su’ stands for number, and ‘Doku’ has some notion of singularity or bachelorhood about it, emphasizing perhaps that there is only one of each number in each unit (row/column/box).”» —“Su Doku Q&A” News-Sentinel (Fort Wane, Ind.) Apr. 4, 2005. (source: Double-Tongued Dictionary)
Further reading
Quiz Guy John Chaneski’s puzzle is all about substituting the letter B for a certain letter that falls between the letters O and Q. For example, if you’re substituting the letter B for that particular letter, what would you call the...
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...