The meaning of “Allahumma Barik” is May Allah Bless You and Lahu use for him or laha use for her. In the rich tapestry of Islamic culture and spirituality, the word “Allahumma Barik” holds deep significance. Derived from Arabic, “Allahumma” translates to “O Allah,” invoking the name of the Almighty, while “Barik” derives from the root word “Barakah,” meaning blessings or divine grace. “Allahumma Bariq” is a prayer directed at asking for Allah’s blessings, wealth and protection on someone or something.

Source :- https://www.ukplease.com/meaning-allahuma-barik-lahu-laha/