Qamrul
The exact personal name Qamrul does not appear in the Quran. The root word qamar (قمر), meaning 'moon', appears (e.g., Quran 54:1), but Qamrul is a South Asian name formation using that root.
Yes. Qamrul is frequently attested among Bengali Muslims as an element in given names and is common in compound forms like Qamrul Islam.
In South Asian name morphology, '-ul' often links the noun root to a following element (from Arabic al-), creating constructions like 'Qamar-ul-Islam' meaning 'moon of Islam'; in practice Qamrul functions as a standalone given name element.
Yes. Various modern Bengali individuals and public figures bear the name Qamrul, often in compound forms; this attests to the name's regional use.
Yes. Qamrul is derived from a neutral natural object 'moon' and is widely used; it carries no prohibited connotations and is acceptable in Muslim naming practice.