English
spirometry
From spiro- + -metry.
Formed from spiro + metry
Proto-Indo-European *sper- ‘to twist, turn’
Proto-Indo-European *sper-yeh₂-
Ancient Greek σπεῖρα ‘wreath, coil, twist’
Latin spīra ‘coil, twist’
English spiro
Today it means
noun The measurement of the volume of air that a person can move into and out of the lungs, using a spirometer.
Language periods are conventional ranges, not dates for this word.
Etymograph / spirometry