ethanediol

/ˈiːθeɪnˌdaɪɒl; ˈɛθ-/
noun
1.
a clear colourless syrupy soluble liquid substance, used as an antifreeze and solvent. Formula: CH2OHCH2OH Also called glycol, ethylene glycol
Word Origin
C20: from ethane + di-1 + -ol1