spiro-, spir-, spira-, spirat-, -spire, -spiring, -spiration, -spirational

(Latin: breath of life, breath, breathing; mind; spirit, "soul"; courage)

Don't confuse this spiro-, with another spiro- meaning "coil, twisted".

spirogram
A tracing produced by a spirograph that provides a continuous tracing of the movements of the lungs during respiration.
spirograph
A device for representing graphically the depth and rapidity of respiratory movements.
spirography
1. The graphic measurement of breathing, including breathing movements and breathing capacity.
2. A recorded tracings of the movements of the chest during respiration.
spirometer
spirometer
spirometrics
sprightliness
sprightly
sprite
suspiration
suspire
suspire
transpirable (adjective) (not comparable)
Possible to pass through a tissue or other substance: An individual's skin is transpirable in that perspiration can pass through the pores.

The surface of leaves of plants are transpirable and the dew it produces evaporates into the air.

transpiration
transpiratory

Word units related to breath and breathe: hal-; pneo-; pneumato-; pneumo-; psych-.