Where does “ελεφαντόδοντο” come from?

ελεφαντόδοντο (Greek) comes from Greek δόντι, from Byzantine Greek δόντιον, from Ancient Greek ὀδόντιον, from Ancient Greek ὀδούς, from Proto-Hellenic odónts, from Proto-Indo-European h₃dónts, from Proto-Indo-European h₁ed- — to eat.

ελεφαντόδοντο (Greek): tusk of the elephant

Definitions

tusk of the elephant

Ancestry of “ελεφαντόδοντο”, step by step

ελεφαντόδοντο traces back through two separate lines of ancestry.

via Greek δόντι

Step	Language	Word	Meaning
1	Greek	δόντι	tooth; tusk; clove
2	Byzantine Greek	δόντιον	—
3	Ancient Greek	ὀδόντιον	—
4	Ancient Greek	ὀδούς	A tooth, tusk; anything pointed: spike, prong;...
5	Proto-Hellenic	odónts	tooth
6	Proto-Indo-European	h₃dónts	tooth
7	Proto-Indo-European	h₁ed-	to eat

via Greek ελέφαντας

Step	Language	Word	Meaning
1	Greek	ελέφαντας	elephant
2	Ancient Greek	ἐλέφας	ivory; elephant
3	Egyptian	ꜣbw	cessation; elephant; elephant tusk

Every word from Proto-Indo-European h₁ed- →Every word from Proto-Indo-European h₃dónts →Every word from Proto-Hellenic odónts →