Where does “-id” come from?

-id (English) comes from English -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.

-id (English): of or pertaining to; appended to various foreign...

Definitions

of or pertaining to; appended to various foreign...

Ancestry of “-id”, step by step

Step	Language	Word	Meaning
1	English	-oid	Of similar form to, but not the same as. Having...
2	Latin	-oides	-like, -form
3	Greek	-ο	ending for "accusative singular" forms ; and some...
4	Ancient Greek	εἶδος	That which is seen: form, image, shape;...
5	Spanish	-scopio	-scope
6	Latin	-scopium	—
7	Ancient Greek	σκοπέω	I look, look at, behold; I examine, inspect; 413...
8	Ancient Greek	σκοπός	watcher, lookout; protector, guardian; spy, scout
9	Ancient Greek	σκέπτομαι	I look at, examine; I examine, consider, think
10	Proto-Hellenic	sképťomai	to look at
11	Proto-Indo-European	spéḱyeti	to be looking at, to keep looking at
12	Proto-Indo-European	speḱ-	to see, to look, to observe

Words derived from “-id”

Every word from Proto-Indo-European speḱ- →