Lutfunnahar
While the exact compound is not Quranic, both components (Lutf and Nahar) are Arabic words with Quranic resonance, though the specific combination is a Bengali scholarly innovation from the Mughal period.
Pronounced as Lut-fun-nah-har, with emphasis on the second syllable 'fun' and a soft 'h' in 'har'.
Yes, though rare, it carries a timeless meaning and connects to Bengali Muslim heritage while being understandable to Arabic speakers.
It originated in medieval Bengal (16th-18th century) among Muslim scholarly (Ulama) and ruling families, combining Arabic elements in the Persianate tarkib style.
The 'unnahar' compound is traditionally feminine; male equivalents might use 'Lutfullah' (Grace of God) or 'Lutfur Rahman'.