What does Dua mean?
Dua (دعاء, du'a') means 'prayer, supplication, invocation', from the Arabic root d-'-w. In Islamic practice du'a refers specifically to personal prayer or calling upon God.
What does Malika mean?
Arabic 'malika' is the feminine of 'malik', meaning 'queen', from the same Semitic root m-l-k. A literal 'queen' name across the Arabic-speaking world.