Where does “ἐπιστήμη” come from?

ἐπιστήμη (Ancient Greek) comes from Ancient Greek ἐπίσταμαι, from Ancient Greek ἐπί, from Ancient Greek Ἡμέρα, from Ancient Greek ἦμαρ, from Proto-Hellenic ā́mər, from Proto-Indo-European h₂eh₃mr̥, from Proto-Indo-European h₂eh₃- — to be hot; to burn.

ἐπιστήμη (Ancient Greek): science; knowledge

Definitions

science; knowledge

Ancestry of “ἐπιστήμη”, step by step

ἐπιστήμη traces back through 3 separate lines of ancestry.

via Ancient Greek ἐπίσταμαι

Step	Language	Word	Meaning
1	Ancient Greek	ἐπίσταμαι	To know, to have the knowledge of something
2	Ancient Greek	ἐπί	as well, besides; For usage in composition, see...
3	Ancient Greek	Ἡμέρα	—
4	Ancient Greek	ἦμαρ	day; by day; midday
5	Proto-Hellenic	ā́mər	day
6	Proto-Indo-European	h₂eh₃mr̥	heat
7	Proto-Indo-European	h₂eh₃-	to be hot; to burn

via Ancient Greek κρατία

Step	Language	Word	Meaning
1	Ancient Greek	κρατία	rule; power, rule
2	Ancient Greek	Κράτος	might; strength
3	Proto-Indo-European	ḱret-	to be strong

via Ancient Greek ἐπῐ́σταμαι

Step	Language	Word	Meaning
1	Ancient Greek	ἐπῐ́σταμαι	to know, to have the knowledge of something

Words derived from “ἐπιστήμη”

Every word from Proto-Indo-European h₂eh₃- →Every word from Proto-Indo-European h₂eh₃mr̥ →Every word from Proto-Hellenic ā́mər →