Where does “Synapsidomorpha” come from?

Synapsidomorpha (Translingual) comes from Translingual Synapsida, from Ancient Greek ἁψίς, from Ancient Greek -σῐς, from Ancient Greek -τις, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

Synapsidomorpha (Translingual): clade

Definitions

clade

Ancestry of “Synapsidomorpha”, step by step

Step	Language	Word	Meaning
1	Translingual	Synapsida	Synapsids
2	Ancient Greek	ἁψίς	net, mesh; wheel, hoop, disc; Any curved form:...
3	Ancient Greek	-σῐς	"suffix forming nouns"
4	Ancient Greek	-τις	retained after dentals
5	Proto-Indo-European	-tis	Derives abstract/action nouns from verb roots

Every word from Proto-Indo-European -tis →Every word from Ancient Greek -σῐς →Every word from Ancient Greek ἁψίς →