Where does “Trilobitomorpha” come from?

Trilobitomorpha (Translingual) comes from Translingual Trilobita, from Ancient Greek τρεῖς, from Proto-Hellenic tréyes, from Proto-Indo-European *tréyes.

Ancestry of “Trilobitomorpha”, step by step

Step	Language	Word	Meaning
1	Translingual	Trilobita	—
2	Ancient Greek	τρεῖς	three
3	Proto-Hellenic	tréyes	three
4	Proto-Indo-European	*tréyes	—

Every word from Proto-Indo-European *tréyes →

Trilobitomorpha — Etymology, Origin & Word History | Etymology Explorer