'English-hater' originates from Modern English as a compound of 'English' + 'hater', where 'English' refers to the language or people of England and 'hater' is an agent noun formed from the verb 'hate'.

'hater' comes from the verb 'hate', which goes back to Old English 'hatan' meaning 'to regard with aversion'; 'English' comes from Old English 'Englisc', relating to the Angles (a Germanic tribe) and their language.

Initially, 'hate' (Old English 'hatan') meant to regard with aversion or hostility; over time the basic sense of strong dislike has remained and combined with 'English' to denote someone who dislikes English (the language or its people).