Where does “Metopoplax” come from?

Metopoplax (Translingual) comes from Ancient Greek μέτωπον, from Ancient Greek ὤψ, from Proto-Hellenic ókʷs, from Proto-Indo-European h₃ókʷs, from Proto-Indo-European h₃ekʷ- — to see; eye.

Metopoplax (Translingual): genus|certain true bugs}}

Definitions

genus|certain true bugs}}

Ancestry of “Metopoplax”, step by step

Metopoplax traces back through two separate lines of ancestry.

via Ancient Greek μέτωπον

Step	Language	Word	Meaning
1	Ancient Greek	μέτωπον	brow, forehead
2	Ancient Greek	ὤψ	to the eye; in the face; eye
3	Proto-Hellenic	ókʷs	eye
4	Proto-Indo-European	h₃ókʷs	eye
5	Proto-Indo-European	h₃ekʷ-	to see; eye

via Ancient Greek πλάξ

Step	Language	Word	Meaning
1	Ancient Greek	πλάξ	anything flat and broad
2	Proto-Hellenic	pləks	—
3	Proto-Indo-European	pleh₂-	flat

Every word from Proto-Indo-European h₃ekʷ- →Every word from Proto-Indo-European h₃ókʷs →Every word from Proto-Hellenic ókʷs →