LEFTWARDS DOUBLE DASH ARROW U+290C

BlockSupplemental Arrows-B
CategoryMath Symbol
UTF-80xE2 0xA4 0x8C
UTF-160xFF 0xFE 0xC 0x29
UTF-320xFF 0xFE 0x0 0x0 0xC 0x29 0x0 0x0
HTML⤌
Pythonu"\u290C"