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The Cyrillic letter Es is derived from a variant of the Greek letter Sigma known as lunate sigma (Ϲ ϲ), in use in the Greek-speaking world in early medieval times. It has no connection to the Latin letter C (C c), which is a descendant of the Greek letter Gamma (Γ γ); however, many languages (for different reasons) apply the value of /s/ to the Latin letter C, especially before front vowels e and i (examples being English, French, Mexican Spanish); see hard and soft C. As its name suggests, Es is actually related to the Latin S.

The name of Es in the Early Cyrillic alphabet was слово (slovo), meaning "word" or "speech".

In the Cyrillic numeral system, Es had a value of 200.


In the modern Latinized Cyrillic fonts in use today, the Cyrillic letter Es looks exactly like the Latin letter C, being one of six letters in the Cyrillic alphabet that share appearances with Latin alphabet letters but are pronounced differently (or at least differently from the most common pronunciation).


As used in the alphabets of various languages, Es represents the following sounds:

The pronunciations shown in the table are the primary ones for each language; for details consult the articles on the languages.

Language Position in
Belarusian 19th /s/, /sʲ/
Bulgarian 18th /s/, /sʲ/
Macedonian 22nd /s/
Russian 19th /s/, /sʲ/
Serbian 21st /s/
Ukrainian 22nd /s/, /sʲ/
Ossetic (Iron) 23rd /ʃ/~/s̠/

Related letters and other similar charactersEdit

Computing codesEdit

Character С с
Unicode name Cyrillic Capital Letter Es Cyrillic Small Letter Es Cyrillic Small Letter Wide Es
Encodings decimal hex decimal hex decimal hex
Unicode 1057 U+0421 1089 U+0441 7299 U+1C83
UTF-8 208 161 D0 A1 209 129 D1 81 225 178 131 E1 B2 83
Numeric character reference С С с с ᲃ ᲃ
KOI8-R and KOI8-U 243 F3 211 D3
Code page 855 228 E4 227 E3
Windows-1251 209 D1 241 F1
ISO-8859-5 193 C1 225 E1
Macintosh Cyrillic 145 91 241 F1

External linksEdit

  •   The dictionary definition of С at Wiktionary
  •   The dictionary definition of с at Wiktionary