A Nymh is a Halfling prayer in the form of a song. They pray to Amara for the birth and health of their children. There are several nymhs sung by the followers of Arza for anything from the planting to Harvest.
The most common Nymh is called Veno Naram or "Green Dream" which is a prayer to Amara to calm the waters.
Another Nymn is the prayer for the harvest.