And God said, “Let the waters swarm with swarms of living creatures, and let winged creatures fly above the earth in the open firmament of heaven.” Gen 1:20
The primitive root.
nun נ, ן = the seed, thus continue, heir, son
pey פ, ף = the mouth, thus open, blow, scatter, edge
shin ש = two front teeth, thus sharp, press, eat, two, again
The parable being told is of a continual (nun) blowing (pey) through the front teeth (shin); i.e., to breathe.