noun Etymology: Friday, servant in Robinson Crusoe (1719), novel by Daniel Defoe Date: circa 1809 an efficient and devoted aide or employee ; a right-hand man
MAN FRIDAY
Meaning of MAN FRIDAY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012