Also known as ARABIC LETTER TTEHEH, tteheh, ṭhē
Ṭhē is an additional letter of the Arabic script. It has the basic shape of tāʼ (''''), but with vertical dots, rather than horizontal. It is not used in the Arabic alphabet itself, but is used to represent an aspirated in Sindhi, a language mainly spoken in Pakistan. Its Latin description is ṭh, or sometimes t́h''.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).