Where does “ἐγκέφαλος” come from?

ἐγκέφαλος (Ancient Greek) comes from Ancient Greek κεφαλή, from Latin Taxus, from Ancient Greek εἶδος, from Spanish -scopio, from Latin -scopium, from Ancient Greek σκοπέω, from Ancient Greek σκοπός, from Ancient Greek σκέπτομαι — to see, to look, to observe.

ἐγκέφαλος (Ancient Greek): inside the head; brain; heart of the date palm

Definitions

inside the head; brain; heart of the date palm

Ancestry of “ἐγκέφαλος”, step by step

ἐγκέφαλος traces back through two separate lines of ancestry.

via Ancient Greek κεφαλή

Step	Language	Word	Meaning
1	Ancient Greek	κεφαλή	head; a person's life; the top-most part
2	Latin	Taxus	yew
3	Ancient Greek	εἶδος	That which is seen: form, image, shape;...
4	Spanish	-scopio	-scope
5	Latin	-scopium	—
6	Ancient Greek	σκοπέω	I look, look at, behold; I examine, inspect; 413...
7	Ancient Greek	σκοπός	watcher, lookout; protector, guardian; spy, scout
8	Ancient Greek	σκέπτομαι	I look at, examine; I examine, consider, think
9	Proto-Hellenic	sképťomai	to look at
10	Proto-Indo-European	spéḱyeti	to be looking at, to keep looking at
11	Proto-Indo-European	speḱ-	to see, to look, to observe

via Ancient Greek κεφᾰλή

Step	Language	Word	Meaning
1	Ancient Greek	κεφᾰλή	head

Words derived from “ἐγκέφαλος”

Every word from Proto-Indo-European speḱ- →Every word from Proto-Indo-European spéḱyeti →Every word from Proto-Hellenic sképťomai →