# About Joseph

This refers to the tribe of Ephraim and the tribe of Manasseh. Both tribes descended from Joseph.

# May his land be blessed by Yahweh

"May Yahweh bless their land" 

# with the precious things of heaven, with the dew

"with the precious dew from the sky" or "with the precious rain from the sky"

# dew

water that forms on leaves and grass on cool mornings. See Deuteronomy 32:2.

# the deep that lies beneath

This refers to the water under the ground.