This is the 7120th most frequent Russian word.
борнмута
"Борнмута" is a misspelling or transliteration of "Борнмут," which refers to Bournemouth, a coastal town in England.
In this sentence, "борнмуту" refers to a city name used in the dative case to indicate the direction or goal of movement.
Я переехал в Борнмуту для учебы.
I moved to Bournemouth for studies.
Here, "борнмуте" is the name of the city used in the prepositional case to specify the location of the action.
В Борнмуте всегда много туристов летом.
There are always many tourists in Bournemouth during the summer.
The word "борнмута" in this example represents the city name in the genitive case, showing the origin of the friend.