Where does “pneumomediastinum” come from?

pneumomediastinum (English) comes from English pneumo-, from Ancient Greek πνεύμων, from Ancient Greek πλεύμων, from Proto-Indo-European pléwmō, from Proto-Indo-European plew- — to fly, flow, run.

pneumomediastinum (English): The condition of having the presence of air in...

Definitions

The condition of having the presence of air in...

Ancestry of “pneumomediastinum”, step by step

Step	Language	Word	Meaning
1	English	pneumo-	Relating to the lungs
2	Ancient Greek	πνεύμων	lung; kind of a mollusk
3	Ancient Greek	πλεύμων	lung
4	Proto-Indo-European	pléwmō	lung, floater
5	Proto-Indo-European	plew-	to fly, flow, run

Every word from Proto-Indo-European plew- →Every word from Proto-Indo-European pléwmō →Every word from Ancient Greek πλεύμων →