About MODIFIER LETTER EXTRA-LOW LEFT-STEM TONE BAR
Modifier Letter Extra-low Left-stem Tone Bar (U+A716) is a Unicode modifier symbol from the Modifier Tone Letters block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class ON (other neutrals), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as ꜖ or ꜖.