U+1E66 "Ṧ" Latin Capital Letter S with Caron and Dot Above Unicode Character

U+1E66 "Ṧ" Latin Capital Letter S with Caron and Dot Above is a compound glyph used primarily in transliteration systems and certain phonetic notations, combining a base Latin capital S with a caron diacritic (the v-shaped mark) and a dot above. This character is part of the Latin Extended Additional block and is typically employed to represent a specific speech sound, often a voiceless postalveolar fricative with additional articulatory marking, in academic or linguistic contexts such as the transcription of Slavic languages or historical orthographies. Its inclusion in Unicode ensures consistent digital representation for scholars and typographers who need to distinguish this precise letter from similar characters like "Š" or "Ṡ".