cedilla

cedilla
[sɪˈdɪlə]
noun
  1. a mark (,) written under the letter c, especially in French, to show that it is pronounced like an s rather than a k (e.g. façade)
    下加符,尾形符(尤指法语字母c下的符号,表示该字母发s而非k之音,如façade)
    ■a similar mark under s in Turkish and other oriental languages
    (土耳其及其他东方语言中加在字母s下的)下加符,尾形符
语源
  1. late 16th cent.: from obsolete Spanish, earlier form of zedilla, diminutive of zeda (the letter Z), from Greek zēta
英语宝典
考试词汇表