Where does “κρατήρας” come from?

κρατήρας (Greek) comes from Ancient Greek κρατήρ, from Ancient Greek κράμα, from Ancient Greek κεράννυμι, from Proto-Hellenic kírnāmi, from Proto-Indo-European ḱerh₂- — head, top; horn.

κρατήρας (Greek): crater; krater

Definitions

crater; krater

Ancestry of “κρατήρας”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	κρατήρ	mixing bowl for wine; messenger who bears an ode;...
2	Ancient Greek	κράμα	mixture
3	Ancient Greek	κεράννυμι	I mix, mingle, blend; I temper, cool by mixing; I...
4	Proto-Hellenic	kírnāmi	to mix
5	Proto-Indo-European	ḱerh₂-	head, top; horn

Every word from Proto-Indo-European ḱerh₂- →Every word from Proto-Hellenic kírnāmi →Every word from Ancient Greek κεράννυμι →