As there is no such word, and it could possibly mean one or two things.
1 A typical phobia experienced by british people, e.g. acrophobia - fear of heights, or
2. A fear of British people, more commonly known as Anglophobia which might entail one or more, or all of the following: fear of british people, the UK in general, or the British culture.
So as your word fails to convey your idea adequately, perhaps you could elucidate, in English, please?