U+1AEB "᫫" Combining Double Rightwards Arrow Above Unicode Character

U+1AEB "᫫" Combining Double Rightwards Arrow Above is a combining diacritical mark designed to be placed over a base character in written text, forming a single glyph. It visually appears as two small, parallel rightward arrows stacked vertically, and it belongs to the Tai Tham script block, which is used historically and in modern contexts for writing languages like Northern Thai, Tai Lue, and Khün. This specific mark serves as a phonetic or tonal diacritic, modifying the pronunciation of the syllable represented by the base character.