Where does “Eobrontosaurus” come from?

Eobrontosaurus (Translingual) comes from Translingual Brontosaurus, from Ancient Greek βροντή, from Ancient Greek βρέμω, from Proto-Indo-European *bʰrémeti.

Ancestry of “Eobrontosaurus”, step by step

Step	Language	Word	Meaning
1	Translingual	Brontosaurus	—
2	Ancient Greek	βροντή	thunder
3	Ancient Greek	βρέμω	I roar; I clash; I shout, I rage
4	Proto-Indo-European	*bʰrémeti	—

Every word from Proto-Indo-European *bʰrémeti →