Where does “Zooxanthella” come from?

Zooxanthella (English) comes from Ancient Greek ζῷον, from Proto-Hellenic ďṓyyon, from Proto-Hellenic gʷyōwyon, from Proto-Indo-European gʷyeh₃w-y-om, from Proto-Indo-European gʷíh₃weti, from Proto-Indo-European gʷih₃wós, from Proto-Indo-European gʷeih₃w- — to live.

Zooxanthella (English): Any of the yellow pigmentary particles, or minute corpuscles of yellow coloring matter, found in certain radiolarians

Definitions

Any of the yellow pigmentary particles, or minute corpuscles of yellow coloring matter, found in certain radiolarians

Ancestry of “Zooxanthella”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ζῷον	animal, beast; form, image
2	Proto-Hellenic	ďṓyyon	animal, creature, beast
3	Proto-Hellenic	gʷyōwyon	—
4	Proto-Indo-European	gʷyeh₃w-y-om	—
5	Proto-Indo-European	gʷíh₃weti	to live, to be alive
6	Proto-Indo-European	gʷih₃wós	alive, living
7	Proto-Indo-European	gʷeih₃w-	to live

Words derived from “Zooxanthella”

Every word from Proto-Indo-European gʷeih₃w- →Every word from Proto-Indo-European gʷih₃wós →Every word from Proto-Indo-European gʷíh₃weti →