In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+0237 (LATIN SMALL LETTER DOTLESS J).
\bbalpha\bbbeta\bbchi\bbdelta\bbDelta\bbdotlessi\bbdotlessj\bbepsilon\bbeta\bbgamma\bbGamma\bfbbdotlessj
\bfbbdotlessjSymbol
The ȷ symbol (Latin small letter dotless j, U+0237), written as \bfbbdotlessj in LaTeX math mode.