Where does “altnoid” come from?

altnoid (English) comes from English cannabinoid, from English -oid, from Latin -oides, from Greek -ο, from Ancient Greek εἶδος, from Spanish -scopio, from Latin -scopium, from Ancient Greek σκοπέω — to see, to look, to observe.

Ancestry of “altnoid”, step by step

altnoid traces back through two separate lines of ancestry.

via English cannabinoid

StepLanguageWordMeaning
1EnglishcannabinoidSubstance that is structurally related to...
2English-oidOf similar form to, but not the same as. Having...
3Latin-oides-like, -form
4Greek-οending for accusative singular forms (eg δρόμος, ψήφος); and some vocative singular forms
5Ancient GreekεἶδοςThat which is seen: form, image, shape;...
6Spanish-scopio-scope
7Latin-scopium
8Ancient GreekσκοπέωI look, look at, behold; I examine, inspect; 413...
9Ancient Greekσκοπόςwatcher, lookout; protector, guardian; spy, scout
10Ancient GreekσκέπτομαιI look at, examine; I examine, consider, think
11Proto-Hellenicsképťomaito look at
12Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
13Proto-Indo-Europeanspeḱ-to see, to look, to observe

via English alternative

StepLanguageWordMeaning
1EnglishalternativeRelating to a choice between two or more...
2Middle Frenchalternatifalternating; alternative
3Latinalternativusalternating
4Latinalternātusalternated, vacillated
5Latinalternōto do one thing and then another, do by turns, interchange, alternate
6Latinalternusalternate (one after the other), successive
7Latinalterthe other, the second; the one...the other
8Proto-Indo-Europeanh₂élterosother , second
9Proto-Indo-Europeanh₂el-to grow, nourish; beyond, other; to wander, roam
Every word from Proto-Indo-European speḱ-