أَسْتَـوْدِعُكُـمُ اللَّهَ الَّذي لا تَضـيعُ وَدائِعُـه.
AstawdiAAukumul-lah, allathee la tadeeAAu wada-iAAuh.
Translation
I place you in the trust of Allah, whose trust is never misplaced.
When to recite
Said by a traveller for those staying behind.