। ॥ १६७ ॥
In plain words
This vital breath, joined together with the five organs of action, forms what is called the prana-sheath, the sheath of vital energy. Through it, the food-sheath -- the physical body -- is filled with life through and through, and is able to carry on all its activities.
Close to the Sanskrit
This vital breath, joined with the five organs of action, becomes the prana-sheath. Through it, the food-sheath, filled through and through with animating life, engages in all activities.