Volume 8, Book 76, Number 580:
Narrated Ibn ‘Abbas:
The word ‘Al-Kauthar’ means the abundant good which Allah gave to him (the Prophet
Muhammad). Abu Bishr said: I said to Said, “Some people claim that it (Al-Kauthar) is a river in
Paradise.” Said replied, “The river which is in Paradise is one item of that good which Allah has be –
stowed upon him (Muhammad).”