U+1F01 "ἁ" Greek Small Letter Alpha with Dasia Unicode Character

U+1F01 "ἁ" Greek Small Letter Alpha with Dasia is a polytonic Greek letter that represents the alpha vowel with a rough breathing mark, called a dasia, indicating an initial /h/ sound in ancient Greek pronunciation. This character was used in classical and Hellenistic Greek texts to show aspiration at the start of a word, and it forms part of the Unicode Greek Extended block, which preserves historical orthographic distinctions. In modern Greek, the rough breathing mark is no longer pronounced, but the character remains important for scholarly editions, liturgical texts, and linguistic studies of ancient Greek.