Where does “potamogetone” come from?

potamogetone (Italian) comes from Translingual Potamogeton, from Latin potamogeton, from Ancient Greek ποταμογείτων, from Ancient Greek Ποταμός, from Proto-Indo-European peth₂- — to spread out; to fly.

potamogetone (Italian): any plant of the Potamogeton taxonomic genus

Definitions

any plant of the Potamogeton taxonomic genus

Ancestry of “potamogetone”, step by step

Step	Language	Word	Meaning
1	Translingual	Potamogeton	genus
2	Latin	potamogeton	pondweed
3	Ancient Greek	ποταμογείτων	pondweed
4	Ancient Greek	Ποταμός	river, stream
5	Proto-Indo-European	peth₂-	to spread out; to fly

Every word from Proto-Indo-European peth₂- →Every word from Ancient Greek Ποταμός →Every word from Ancient Greek ποταμογείτων →