U+10F18 "𐼘" Old Sogdian Letter Resh-Ayin-Daleth Unicode Character

U+10F18 "𐼘" Old Sogdian Letter Resh-Ayin-Daleth is a glyph from the Old Sogdian script, a writing system used to record the Sogdian language, an Eastern Iranian language spoken in Central Asia from roughly the 4th to the 10th centuries CE. This specific character represents a ligature or a combined form of the three individual letters resh, ayin, and daleth, reflecting the scribal practice in Sogdian manuscripts where certain consonant clusters or common sequences were written as a single connected symbol for efficiency. Its inclusion in the Unicode standard helps preserve and digitally represent the historical texts of the Sogdian civilization, which played a key role in trade and cultural exchange along the Silk Road.