noun Etymology: Late Latin haeresiarcha, from Late Greek hairesiarchēs, from hairesis + Greek -archēs -arch Date: 1624 an originator or chief advocate of a heresy
HERESIARCH
Meaning of HERESIARCH in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012