Where does “Sphagnopsida” come from?

Sphagnopsida (Translingual) comes from Translingual -opsida, from Ancient Greek ὄψις, from Ancient Greek ὄψ, from Proto-Hellenic wókʷs, from Proto-Indo-European wekʷ- — to speak, to sound out.

Sphagnopsida (Translingual): The peat mosses

Definitions

The peat mosses

Ancestry of “Sphagnopsida”, step by step

Step	Language	Word	Meaning
1	Translingual	-opsida	—
2	Ancient Greek	ὄψις	view
3	Ancient Greek	ὄψ	voice; word; eye, face
4	Proto-Hellenic	wókʷs	voice
5	Proto-Indo-European	wekʷ-	to speak, to sound out

Every word from Proto-Indo-European wekʷ- →Every word from Proto-Hellenic wókʷs →Every word from Ancient Greek ὄψ →