Hairiness, a Chinese word, is spelled m á o zh ì, which is interpreted as the feather of birds.
Refers to the feathers of birds. [1]
Selected Works Bao Zhao: "The smoke is congealed with the fog, if there is no hair." Li Shan notes: "The hair is the same color as the smoke, so the clouds are not."
Tang Dynasty, Du Fu《 Drunk Singing Line 》"The occasional cable show is hard to take, because it has hair in the exhaust." 
