أَسْتَوْدِعُ اللَّهَ دِينَكَ وَأَمَانَتَكَ وَخَوَاتِيمَ عَمَلِكَ
Transliteration
Astawdi'ullaha dinaka wa amanataka wa khawatima 'amalik
English meaning
I entrust to Allah your religion, your trust, and the conclusions of your deeds.
When is it recited?
Said when seeing off someone embarking on a journey.
Source
Tirmidhi, Da'awat 44, 3443; Abu Dawud, Jihad 73, 2601