Where does “dipnoan” come from?

dipnoan (English) comes from Translingual Dipnoi, from Ancient Greek πνοή, from Ancient Greek -ή, from Ancient Greek -ᾱ, from Proto-Indo-European -éh₂.

dipnoan (English): Any fish of the subclass Dipnoi, the lungfish

Definitions

Any fish of the subclass Dipnoi, the lungfish

Ancestry of “dipnoan”, step by step

Step	Language	Word	Meaning
1	Translingual	Dipnoi	the lungfishes and their extinct relatives
2	Ancient Greek	πνοή	breath
3	Ancient Greek	-ή	suffix of feminine nouns in the [[Appendix:Ancient Greek first declension
4	Ancient Greek	-ᾱ	nominal suffix
5	Proto-Indo-European	-éh₂	—

Every word from Proto-Indo-European -éh₂ →Every word from Ancient Greek -ή →Every word from Ancient Greek -ᾱ →