Meaning
A name that means something.
K"Abundance, profusion." Name of a river of Paradise given to the Prophet according to the 108th surah al-Kawthar — the shortest chapter of the Qur'an.
Etymology, in one line
Arabic root: k-th-r — ك-ث-ر, abundance
Regional variants
Less common in the US than some other Quranic names — a distinctive choice with deep religious resonance.