Slanted less-than or equal sign with two lines beneath, a math inequality.
U+2AF8TRIPLE NESTED GREATER-THANU+2AFADOUBLE-LINE SLANTED GREATER-THAN OR EQUAL TOU+2AF7TRIPLE NESTED LESS-THANU+2AFBTRIPLE SOLIDUS BINARY RELATIONU+2AF6TRIPLE COLON OPERATORU+2AFCLARGE TRIPLE VERTICAL BAR OPERATORU+2AF5TRIPLE VERTICAL BAR WITH HORIZONTAL STROKEU+2AFDDOUBLE SOLIDUS OPERATORU+2AF4TRIPLE VERTICAL BAR BINARY RELATIONU+2AFEWHITE VERTICAL BARU+2AF3PARALLEL WITH TILDE OPERATORU+2AFFN-ARY WHITE VERTICAL BAR256 characters in the Supplemental Mathematical Operators Unicode block, from number 250.