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
transpiration
transpiratory

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