The story
From περι- (peri-, “peri”) and πνευστικός (pneustikós).
Etymology from Wiktionary, CC BY-SA 4.0.
peripneustic
Today it means: Of one of the categories of hemipneustic tracheal systems, in which the spiracles are in incomplete rows along each side of the body, as in the holopneustic arrangement, but with slightly fewer pairs of spiracles. Full definition →