Where does “hypoellipticity” come from?

hypoellipticity (English) comes from English ellipticity, from English elliptic, from Ancient Greek ἐλλειπτικός, 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...

hypoellipticity (English): The condition of being hypoelliptic

Definitions

  1. The condition of being hypoelliptic

Ancestry of “hypoellipticity”, step by step

hypoellipticity traces back through two separate lines of ancestry.

via English ellipticity

StepLanguageWordMeaning
1EnglishellipticityThe condition of being elliptical; A measure of...
2EnglishellipticOf or pertaining to an ellipse; Of or pertaining...
3Ancient Greekἐλλειπτικόςdefective
4Ancient Greekἐλλείπωto fall short, omit; I fall short, leave out; I...
5Ancient Greekἐν-in, within; on
6Ancient Greekἐνin, on, at; among; in, at, or during the time of
7Ancient Greekδέρμαskin, hide
8Ancient Greekγλυφήcarving, carved work; hole cut
9Ancient Greek-ῐ́ᾱ{{l|en|-ia}}; "suffix forming abstract feminine...
10Proto-Indo-European-íh₂
11Proto-Indo-European-h₂Creates collective nouns, which refer to groups...

via English hypo

StepLanguageWordMeaning
1EnglishhypoMelancholy; a fit of ‘hypochondria’; a morbid...
2Englishhypo-Below; beneath; under; Deficient; less than...
3Ancient Greekὑπό
4Proto-Indo-Europeanupóunder, below
5Proto-Indo-Europeanh₃ewp-
Every word from Proto-Indo-European -h₂Every word from Ancient Greek -ῐ́ᾱEvery word from Ancient Greek ἐν-