The explanation of moustache
is moustache. Lu Xun's Mr. Fujino: "At that time, a black and thin gentleman came in with a moustache and glasses." Ba Jin's "Home" VI: "He followed his father to the office and met the hunchback manager Huang, who was in his forties and had a moustache."
word decomposition
the explanation of eight is eight names, seven plus one (the word "eight" is often used in banknotes and documents): all sides are exquisite. Eight diagrams (eight basic figures in Zhouyi). Radical: eight.