Ś (minuscule: ś) is a letter of the Latin alphabet, formed from S with the addition of an acute accent. It is used in Polish and Montenegrin alphabet, and in certain other languages:
Slavic languages - usually the palatalized form of /s/
Polish language - [ɕ] (voiceless alveolo-palatal fricative)
Montenegrin language - along with the digraph "sj"
In the Belarusian Łacinka alphabet for сь /sʲ/
Lower Sorbian language - [ɕ]
Indo-Aryan: [ʃ] voiceless postalveolar fricative
Transliteration of Sanskrit and modern Indic languages - see IAST
Romany alphabet
transliteration of a palatalized s in the Lydian language
In Proto-Semitic, a reconstructed voiceless lateral fricative phoneme /ɬ/, the parent phoneme of Ge'ez Śawt ሠ.
a sibilant phoneme of the earliest phase of the Sumerian language.
transliteration of a letter of the Etruscan alphabet, related to San and Tsade.