Egyptian Hieroglyph Insert At Top Start (U+3478) is a Unicode format from the Egyptian Hieroglyph Format Controls block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class L (left-to-right), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as 𓐲 or 𓐲.