AAaishah رضي الله عنها reported that the Messenger of Allah was given a sheep and he ordered for it’s distribution. When the servant would come back (from distributing it), AAaishah would ask: ‘What did they say?’, he replied: They would supplicate: بارَكَ اللهُ فيكُمْ.
Barakal-lahu feekum.
Translation
May Allah bless you all.