Where does “Pediastrum” come from?

Pediastrum (Translingual) comes from Translingual Aster, from Latin astēr, from Ancient Greek ἀστήρ, from Ancient Greek καταστερίζω, from Ancient Greek κατά, from Ancient Greek οὐρέω, from Ancient Greek -έω, from Proto-Indo-European -éyeti — Creates transitive imperfective verbs from roots.

Pediastrum (Translingual): genus|certain green algae}}

Definitions

genus|certain green algae}}

Ancestry of “Pediastrum”, step by step

Pediastrum traces back through two separate lines of ancestry.

via Translingual Aster

Step	Language	Word	Meaning
1	Translingual	Aster	genus
2	Latin	astēr	A star
3	Ancient Greek	ἀστήρ	a celestial body; illustrious person; starfish
4	Ancient Greek	καταστερίζω	to place among the stars; I put among the stars
5	Ancient Greek	κατά
6	Ancient Greek	οὐρέω	I make water, urinate; I pass with the water; I...
7	Ancient Greek	-έω	Used to form verbs from nouns, adjectives and...
8	Proto-Indo-European	-éyeti	Forms causative imperfective verbs from roots;...
9	Proto-Indo-European	-yeti	Creates transitive imperfective verbs from roots

via Proto-Indo-European pē̆s-

Step	Language	Word	Meaning
1	Proto-Indo-European	pē̆s-	to blow

Every word from Proto-Indo-European -yeti →Every word from Ancient Greek -έω →Every word from Proto-Indo-European -éyeti →