The glyph is a canonical composition of the glyphs Glyph for U+0065Latin Small Letter E, Glyph for U+0302Combining Circumflex Accent. Its width in East Asian texts is determined by its context. It can be displayed wide or narrow. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+00EA forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
Ê, ê (e-circumflex) is a letter of the Latin alphabet, found in Afrikaans, French, Friulian, Kurdish, Norwegian (Nynorsk), Portuguese, Vietnamese, and Welsh. It is used to transliterate Chinese, Persian, and Ukrainian.