U+03AE "ή" Greek Small Letter Eta with Tonos Unicode Character

U+03AE "ή" Greek Small Letter Eta with Tonos is a distinct glyph used in the modern Greek alphabet to represent the letter eta (η, the seventh letter) when it carries a stress accent, known as the tonos. In Greek orthography, the tonos marks the syllable that receives primary stress in a word, distinguishing it from the plain eta (U+03B7) and ensuring correct pronunciation and meaning. This accented character appears commonly in written Greek, such as in the word "ή" (meaning “or”), where it also serves as a conjunction, demonstrating how the diacritic is integral to both the language’s phonetic system and its clarity in text.