'Che' (Ч, ч) is a letter of the
Cyrillic alphabet. It represents the
affricate or (like the ch in "change").
Zhuang
Ч was used in
Zhuang's
Latin alphabet from 1957 to 1986 to represent the fourth (falling)
tone, because of its similarity to the numeral 4. In 1986, it was replaced by
X.