اللّهُـمَّ أَطْعِمْ مَن أَطْعَمَني
وَاسْقِ مَن سقاني
O Allah, feed the one who has fed me,
and give drink to the one who has given me drink.
Allāhumma aṭim man aṭamanī
wasqi man saqānī.
Reference : to one who gives you food or drink
…و…فَرَفَعَ رَأْسَهُ إِلَى السَّمَاءِ … فَقَالَ ” اللَّهُمَّ أَطْعِمْ مَنْ أَطْعَمَنِي وَأَسْقِ مَنْ أَسْقَانِي ”
“…He raised his head towards the sky,…he (the Holy Prophet salalahu alehi wasalam) said: Allah,
feed him who fed me and give drink to him
who provided me drink…”
Sahih Muslim 2055a
In-book reference : Book 36, Hadith 236