noun Etymology: Dr. Jekyll & Mr. Hyde, representing the two-sided personality of the protagonist in The Strange Case of Dr. Jekyll and Mr. Hyde (1886) by R. L. Stevenson Date: circa 1922 one having a two-sided personality one side of which is good and the other evil
JEKYLL AND HYDE
Meaning of JEKYLL AND HYDE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012