Where does “synopticus” come from?

synopticus (Latin) comes from Ancient Greek συνοπτικός, from Ancient Greek σύνοψις, from Ancient Greek ὄψις, from Ancient Greek ὄψ, from Proto-Hellenic wókʷs, from Proto-Indo-European wekʷ- — to speak, to sound out.

Ancestry of “synopticus”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	συνοπτικός	seeing the whole together or at a glance
2	Ancient Greek	σύνοψις	a seeing all together, general view, shared view;...
3	Ancient Greek	ὄψις	view
4	Ancient Greek	ὄψ	voice; word; eye, face
5	Proto-Hellenic	wókʷs	voice
6	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 →