名詞 cedilla:

1. a diacritical mark (,) placed below the letter c to indicate that it is pronounced as an s

ce.dil.la

n.（名詞）
A mark (ô) placed beneath the letterc, as in the spelling of the French word garôon, to indicate that the letter is to be pronounced (s).
下加符號(hào)，變音符號(hào)：置于字母c 之下的(ô)形標(biāo)記，如在法語(yǔ)詞 garôon 的拼寫中，表示該字母發(fā)音為（s）

來(lái)源：
Obsolete Spanish [diminutive of] ceda [the letter] z (so called because a small z was formerly written after a c, and later below it, to indicate that the normal hard c was to be pronounced as a sibilant, like s or z )
已廢西班牙語(yǔ) [] ceda的小后綴 [字母] z （這樣稱呼是因?yàn)樾?z 曾寫在 c的后面， 后來(lái)寫在它的下面，來(lái)表明通常強(qiáng)音的 c 發(fā)成類似 s 或 z 的咝咝聲音）
from Late Latin zeta [zeta] * see zeta
源自 后期拉丁語(yǔ) zeta [希臘字母的第六個(gè)字母] *參見(jiàn) zeta