The beard is broken in the middle and slightly drooping on both sides, so it is named after its figure-eight shape. Explain in detail the moustache with a splayed mouth. Ba Jin's Autumn II: "Kean nodded with satisfaction, sat down and reached out and rubbed his moustache." Yang Mo's Song of Youth, Chapter 1: "Lin managed to coax her into a grin."
Word decomposition
The interpretation of eight is eight ā names, seven plus one (the word "eight" is often used in banknotes and documents): exquisite in all directions. Eight diagrams (eight basic figures in Zhouyi). Radical: eight.