Ṣ (minuscule: ṣ) is a letter of the Latin alphabet, formed from an S with the addition of a dot below the letter. Its uses include: In the Alvarez/Hale orthography of the Tohono Oʼodham language to represent retroflex (Akimel O'odham and Saxton/Saxton use <sh> instead) the transliteration of Indic languages to represent retroflex the transcription of Afro-Asiatic languages (mostly Semitic languages) to represent an "emphatic s" as in Arabic ص (Ṣād) and as in the Hebrew צ (Tzadi/Ṣādī) spoken by the Jews of Yemen and North Africa the orthography of Yoruba in Nigeria to represent the voiceless palato-alveolar sibilant (the English "sh" sound) In HTML these are Ṣ: &#7778; and ṣ: &#7779;. The Unicode codepoints are U+1E62 for Ṣ and U+1E63 for ṣ in Latin Extended Additional range. See also Tsade Dot (diacritic) Latin letters with diacritics Eastern Aramaic languages Neo-Aramaic languages