S̩

{{short description|Latin letter S with vertical tick below}}

{{onesource|date=December 2009}}

{{Use dmy dates|date=July 2022}}

{{Infobox grapheme|name={{PAGENAME}}|script=Latin|type=alphabet|typedesc=ic|language=Yoruba, International Phonetic Alphabet|phonemes={{IPAblink|ʃ}}, {{IPAblink|s̩}}|letter=S̩ s̩

|fam1=Aa32M40|fam2=File:Shamash.svg|fam3=File:Proto-semiticS-01.svg|fam4=File:Phoenician_sin.svg|fam5=File:Proto-Canaanite_-_shin.svg|fam6=Σ σ ς|fam7=ς|fam8=𐌔|fam9=S|fam10=S s ſ}}

S̩ (minuscule: s̩) is a letter of the Latin alphabet, formed from S with the addition of a vertical line below it. It is used in Yoruba when written in Nigeria to represent the sound {{IPAblink|ʃ}} (like English "sh").{{Cite web |title=S {{!}} Letter, History, Etymology, & Pronunciation {{!}} Britannica |url=https://www.britannica.com/topic/S-letter |access-date=2024-08-26 |website=www.britannica.com |language=en}}

The line is sometimes replaced by a dot, i.e. Ṣ ṣ.

{{IPA|[s̩]}} is also the International Phonetic Alphabet symbol for a syllabic "s" sound.