the square root of first is ash
the journal of Michael Werneburg
twenty-eight years and a million words
Kokubunji, 2021.02.14
I just learned the word for grey in Japanese; haiiro. It's written 灰色. Literally, "the color of ash". The first kanji is the ash part, the second is "color". The ash kanji 灰 is obviously derived from the kanji for fire; 火. The square root of fire is ash!