Where does “Ellipsoid” come from?

Ellipsoid (German) comes from German -oid, from Latin -oides, from Greek -ο, from Ancient Greek εἶδος, from Spanish -scopio, from Latin -scopium, from Ancient Greek σκοπέω, from Ancient Greek σκοπός — to see, to look, to observe.

Ellipsoid (German): ellipsoid (surface all of whose cross sections are elliptic or circular)

Definitions

  1. ellipsoid (surface all of whose cross sections are elliptic or circular)

Ancestry of “Ellipsoid”, step by step

StepLanguageWordMeaning
1German-oidoid (adjective or substantive)
2Latin-oides-like, -form
3Greek-οending for accusative singular forms (eg δρόμος, ψήφος); and some vocative singular forms
4Ancient GreekεἶδοςThat which is seen: form, image, shape;...
5Spanish-scopio-scope
6Latin-scopium
7Ancient GreekσκοπέωI look, look at, behold; I examine, inspect; 413...
8Ancient Greekσκοπόςwatcher, lookout; protector, guardian; spy, scout
9Ancient GreekσκέπτομαιI look at, examine; I examine, consider, think
10Proto-Hellenicsképťomaito look at
11Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
12Proto-Indo-Europeanspeḱ-to see, to look, to observe
Every word from Proto-Indo-European speḱ-Every word from Proto-Indo-European spéḱyetiEvery word from Proto-Hellenic sképťomai
Ellipsoid — Etymology, Origin & Word History | Etymology Explorer