Where does “megadiverse” come from?

megadiverse (Italian) comes from Italian megadiverso, from Italian diverso, from Latin dīversus, from Latin dīvertō, from Latin dī-, from Ancient Greek δί-, from Ancient Greek διά, from Proto-Indo-European dwís — two.

megadiverse (Italian): feminine plural of megadiverso

Definitions

feminine plural of megadiverso

Ancestry of “megadiverse”, step by step

Step	Language	Word	Meaning
1	Italian	megadiverso	megadiverse
2	Italian	diverso	different, diverse; several; homosexual, gay
3	Latin	dīversus	opposite
4	Latin	dīvertō	to separate
5	Latin	dī-	Two, double; di
6	Ancient Greek	δί-	Twice, double
7	Ancient Greek	διά	throughout
8	Proto-Indo-European	dwís	twice, doubly; in two
9	Proto-Indo-European	dwóh₁	two

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Indo-European dwís →Every word from Ancient Greek διά →