Where does “tetranortriterpenoid” come from?

tetranortriterpenoid (English) comes from English nortriterpenoid, from English triterpenoid, from English terpenoid, from English -oid, from Latin -oides, from Greek -ο, from Ancient Greek εἶδος, from Spanish -scopio — to see, to look, to observe.

tetranortriterpenoid (English): Any derivative of a triterpenoid formed by...

Definitions

Any derivative of a triterpenoid formed by...

Ancestry of “tetranortriterpenoid”, step by step

tetranortriterpenoid traces back through two separate lines of ancestry.

via English nortriterpenoid

Step	Language	Word	Meaning
1	English	nortriterpenoid	Any compound formally derived from a triterpenoid...
2	English	triterpenoid	a terpenoid having a C skeleton; of, or relating...
3	English	terpenoid	A very large class of naturally occurring and...
4	English	-oid	Of similar form to, but not the same as. Having...
5	Latin	-oides	-like, -form
6	Greek	-ο	ending for accusative singular forms (eg δρόμος, ψήφος); and some vocative singular forms
7	Ancient Greek	εἶδος	That which is seen: form, image, shape;...
8	Spanish	-scopio	-scope
9	Latin	-scopium	—
10	Ancient Greek	σκοπέω	I look, look at, behold; I examine, inspect; 413...
11	Ancient Greek	σκοπός	watcher, lookout; protector, guardian; spy, scout
12	Ancient Greek	σκέπτομαι	I look at, examine; I examine, consider, think
13	Proto-Hellenic	sképťomai	to look at
14	Proto-Indo-European	spéḱyeti	to be looking at, to keep looking at
15	Proto-Indo-European	speḱ-	to see, to look, to observe

via English tetra

Step	Language	Word	Meaning
1	English	tetra	Any of numerous species of small South American...
2	Translingual	Tetragonopterus	—
3	Ancient Greek	πτερόν	feather; wing; Any winged creature
4	Proto-Indo-European	péth₂r̥	wing; feather
5	Proto-Indo-European	peth₂-	to spread out; to fly

Every word from Proto-Indo-European speḱ- →Every word from Proto-Indo-European spéḱyeti →Every word from English -oid →