In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+2AB5 (PRECEDES ABOVE NOT EQUAL TO).
The ⪵ symbol (Precedes above not equal to, U+2AB5), written as \precneqq in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+2AB5 (PRECEDES ABOVE NOT EQUAL TO).