What does Bilal mean?
From the root b-l-l (ب-ل-ل, 'to moisten, to wet'), understood as 'moisture, wetting, freshness'. Famously borne by Bilal ibn Rabah, the Abyssinian companion of the Prophet and Islam's first muezzin.
What does Imran mean?
A Quranic name: the family of Imran (Al Imran) titles the third surah, and Imran is the father of Maryam (corresponding to Amram, father of Moses and Aaron, in the Bible). Linked to the root '-m-r (ع-م-ر, 'to prosper, to thrive, to be populous'), often glossed 'prosperity, long life'.