Chinese: the Chinese character
for this name means ‘nest’. Its use as a surname has its origin in
Chao Lake in modern Anwei province. The lake gave its name to the
state of Chao, which dates back to the Yin dynasty (1401–1122
bc). The name of the state of Chao was in turn adopted by
descendants of its ruling class.
Portuguese (Chão)
and Galician: from a common field name derived from Latin
planus ‘level’, ‘even’, ‘flat’.
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variant of 
variant of 
variant of 
the Chinese character
for this name means ‘nest’. Its use as a surname has its origin in
Chao Lake in modern Anwei province. The lake gave its name to the
state of Chao, which dates back to the Yin dynasty (1401–1122
bc). The name of the state of Chao was in turn adopted by
descendants of its ruling class.
