Shen Collection, Upper Volume Radical: Grass (cǎo) Accumulate; Kangxi strokes: 16 Page 1051, Entry 02 Tang Yun: Pronounced chu. Ji Yun: Pronounced chu. Pronounced the same as chu. Meaning: to accumulate. Pian Hai: Meaning: to gather, to store up. Book of Odes (Shijing), Beifeng: I have my stored delicious vegetables, also used to ward off the winter. Commentary (Jian): Xu refers to stored delicious vegetables. Also, Discourses of the States (Jin Yu): Accumulate strength for twelve years, and one may go on a long expedition. Annotation (Zhu): Xu refers to nourishing or raising. Also, Guang Yun: Pronounced xu. Meaning: same as above. Rhyme Compilation (Yun Hui): Sometimes written as a variant form (xù). Ji Yun: Sometimes written as a variant form. Also, Comprehensive Treatises (Tongzhi), Six Scripts Outline: Used as a loan character for chu. Chu originally means livestock in the field, but it is borrowed to mean the accumulation of the character, borrowing its sound rather than its original meaning. According to Guang Yun and Ji Yun: Xu refers to winter vegetables. Zhengzitong claims it refers to hoof vegetables, which is incorrect.