success / prosperity / salvation
Masculine noun (maṣdar). Verb: أَفْلَحَ (Form IV, to succeed/prosper). Active participle: مُفْلِحٌ (successful one). Used in the adhān: حَيَّ عَلَى الفَلَاح.
The adhān (call to prayer) includes 'hasten to success (falāḥ)' - defining true success as responding to God's call, not worldly achievement.