Where does “superellipse” come from?

superellipse (Norwegian Bokmål) comes from Norwegian Bokmål ellipse, from Latin ellīpsis, from Ancient Greek ἔλλειψις, from Ancient Greek ἐλλείπω, from Ancient Greek ἐν-, from Ancient Greek ἐν, from Ancient Greek δέρμα, from Ancient Greek γλυφή — Creates collective nouns, which refer to groups...

superellipse (Norwegian Bokmål): a superellipse

Definitions

a superellipse

Ancestry of “superellipse”, step by step

Step	Language	Word	Meaning
1	Norwegian Bokmål	ellipse	an ellipse; an ellipsis
2	Latin	ellīpsis	ellipsis
3	Ancient Greek	ἔλλειψις	A falling short, defect; The conic section: an...
4	Ancient Greek	ἐλλείπω	to fall short, omit; I fall short, leave out; I...
5	Ancient Greek	ἐν-	in, within; on
6	Ancient Greek	ἐν	in, on, at; among; in, at, or during the time of
7	Ancient Greek	δέρμα	skin, hide
8	Ancient Greek	γλυφή	carving, carved work; hole cut
9	Ancient Greek	-ῐ́ᾱ	{{l\|en\|-ia}}; "suffix forming abstract feminine...
10	Proto-Indo-European	-íh₂	—
11	Proto-Indo-European	-h₂	Creates collective nouns, which refer to groups...

Every word from Proto-Indo-European -h₂ →Every word from Ancient Greek -ῐ́ᾱ →Every word from Ancient Greek ἐν- →