Where does “Dinoflagellata” come from?

Dinoflagellata (Translingual) comes from English dino-, from Ancient Greek δεινός, from Ancient Greek ὄνυξ, from Proto-Indo-European h₃nogʰ- — claw, nail; nail.

Dinoflagellata (Translingual): Many single-cell eukaryotes, with two dissimilar flagella and nuclei unlike those of other eukaryotes, lacking histones and nucleosomes

Definitions

Many single-cell eukaryotes, with two dissimilar flagella and nuclei unlike those of other eukaryotes, lacking histones and nucleosomes

Ancestry of “Dinoflagellata”, step by step

Step	Language	Word	Meaning
1	English	dino-	Used for presumably fearfully large or dangerous...
2	Ancient Greek	δεινός	terrible, horrible, fearful, astounding; danger;...
3	Ancient Greek	ὄνυξ	claw, nail, hoof, talon; Anything which resembles...
4	Proto-Indo-European	h₃nogʰ-	claw, nail; nail

Words derived from “Dinoflagellata”

Every word from Proto-Indo-European h₃nogʰ- →Every word from Ancient Greek ὄνυξ →Every word from Ancient Greek δεινός →