Where does “καταγελαστής” come from?

καταγελαστής (Ancient Greek) comes from Ancient Greek κᾰτᾰγελᾰ́ω, from Ancient Greek κᾰτᾰ-, from Ancient Greek κατά, from Ancient Greek καταστερίζω, from Ancient Greek ἀστήρ, from Proto-Hellenic astḗr, from Proto-Indo-European h₂stḗr, from Proto-Indo-European h₂eHs- — to be/become dry; to burn, to glow; hearth.

καταγελαστής (Ancient Greek): mocker

Definitions

mocker

Ancestry of “καταγελαστής”, step by step

καταγελαστής traces back through two separate lines of ancestry.

via Ancient Greek κᾰτᾰγελᾰ́ω

Step	Language	Word	Meaning
1	Ancient Greek	κᾰτᾰγελᾰ́ω	I mock, jeer; to laugh or jeer at, mock
2	Ancient Greek	κᾰτᾰ-	fully; down; denoting motion downwards
3	Ancient Greek	κατά
4	Ancient Greek	καταστερίζω	to place among the stars; I put among the stars
5	Ancient Greek	ἀστήρ	a celestial body; illustrious person; starfish
6	Proto-Hellenic	astḗr	star
7	Proto-Indo-European	h₂stḗr	star
8	Proto-Indo-European	h₂eHs-	to be/become dry; to burn, to glow; hearth

via Ancient Greek καταγελάω

Step	Language	Word	Meaning
1	Ancient Greek	καταγελάω	to laugh at, jeer or mock at
2	Ancient Greek	γελάω	to laugh; to laugh at
3	Proto-Indo-European	ǵelh₂-	—

Every word from Proto-Indo-European h₂eHs- →Every word from Proto-Indo-European h₂stḗr →Every word from Proto-Hellenic astḗr →