Mao Collection, Middle Volume Radical: Door (hù) Character: yi Kangxi strokes: 10 Page 416, Entry 12 Pronounced yi Broad Rhymes (Guangyun): Yan yi refers to a door bolt. Song of the Wife of Baili Xi: Cook the brooding hen, and use the door bolt for firewood. Family Instructions of Master Yan (Yanshi Jiaxun): Sometimes also written in a variant form (yan yi).