U+1AB9 "᪹" Combining Light Centralization Stroke Below Unicode Character

U+1AB9 "᪹" Combining Light Centralization Stroke Below is a combining diacritical mark belonging to the Combining Diacritical Marks Extended block, intended for use in phonetic transcription and linguistic notation. This character is placed beneath a base letter to indicate a light or partial centralization of the vowel or consonant sound, typically within specialized orthographies or academic contexts such as the International Phonetic Alphabet or closely related systems. Its appearance consists of a small, horizontal or slightly curved stroke below the base glyph, and it modifies the pronunciation without forming an independent character itself.