ASCII Character šLatin small letter S with caron
The grapheme Š, š (S with caron) is used in various contexts representing the sh sound like in the word show, usually denoting the voiceless postalveolar fricative /ʃ/ or similar voiceless retroflex fricative /ʂ/. The symbol originates with the 15th-century Czech alphabet as introduced by the reforms of Jan Hus. For use in computer systems, Š and š are at Unicode codepoints U+0160 and U+0161 (Alt 0138 and Alt 0154 for input), respectively. In HTML code, the entities Š and š can also be used to represent the characters.