From Arabic/Persian Kawthar, a Quranic river in paradise meaning abundance or plenty.
Kowsar (also spelled Kawthar or Kawsar) is one of the most spiritually charged names in the Islamic naming tradition, drawn directly from the Quran. Surah Al-Kawthar, the 108th chapter and one of the shortest in the Quran, opens with the divine declaration: "Indeed, We have granted you Al-Kawthar" — meaning an abundance of good, blessings beyond measure. In Islamic cosmology, Al-Kawthar is also the name of a river or fountain in paradise, flowing with a sweetness surpassing honey and a whiteness surpassing milk, gifted to the Prophet Muhammad.
To name a daughter Kowsar is to invoke that celestial abundance and to express the hope that she will be, for her family and her world, a source of overflowing blessing. The name is widespread across Iran, Afghanistan, Central Asia, and among Muslim communities globally, with Persian and Urdu pronunciations giving it slightly different musical textures. In Persian poetry — from Hafez to Rumi — the imagery of the Kawthar fountain appears as a metaphor for divine generosity and spiritual intoxication, making the name resonate through one of the world's great literary traditions.
The name also carries a quiet political and devotional dignity: naming a daughter after a Quranic gift to the Prophet is a profound expression of faith. In diaspora communities, Kowsar travels beautifully — it is distinctive without being difficult, spiritual without being opaque, and its meaning, when explained, invariably moves people. A daughter named Kowsar carries a name that means she was her parents' abundance, their gift beyond measure, their own private paradise.