Meaning
A name that means something.
R"Well-watered, lush, satiated." According to a hadith narrated by al-Bukhari, Ar-Rayyān is the name of the gate of Paradise reserved for those who fasted during Ramadan.
Etymology, in one line
Arabic root: r-w-y — ر-و-ي, to be quenched, satisfied
Regional variants
Rising fast in the US and UK Muslim community since 2015 for its beautiful Ramadan-linked meaning.