Chu Suiliang was a leading calligrapher of the early Tang dynasty.
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history
褚 is used almost only as a surname today, as in the Tang calligrapher 褚遂良. A separate reading 褚 is an obsolete word for cotton wadding in clothing or for storing things up.
register
Surname use in modern Chinese; the 褚 'padding' sense is archaic and only in old texts.