daybreak / dawn / splitting
Masculine noun (maṣdar). From فَلَقَ (to split/cleave). Surah al-Falaq (113) is one of the two protective surahs (al-muʿawwidhatayn).
Muslims recite Surah al-Falaq and Surah an-Nās daily for protection from evil - the Prophet ﷺ recommended them before sleep.