About COMBINING STRONG CENTRALIZATION STROKE BELOW
Combining Strong Centralization Stroke Below (U+1ABA) is a Unicode nonspacing mark from the Combining Diacritical Marks Extended block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class NSM (nonspacing mark), is not mirrored, and has combining class 220 (Below). In HTML it can be written as ᪺ or ᪺.