Where does “styloidectomy” come from?

styloidectomy (English) comes from English styloid, from English stylus, from English -oid, from Latin -oides, from Greek -ο, from Ancient Greek εἶδος, from Spanish -scopio, from Latin -scopium — to see, to look, to observe.

styloidectomy (English): An operation to reduce the length of a styloid process

Definitions

An operation to reduce the length of a styloid process

Ancestry of “styloidectomy”, step by step

styloidectomy traces back through two separate lines of ancestry.

via English styloid

Step	Language	Word	Meaning
1	English	styloid	Of or pertaining to the styloid process, a long...
2	English	stylus	A sharp stick used in ancient times for writing...
3	English	-oid	Of similar form to, but not the same as. Having...
4	Latin	-oides	-like, -form
5	Greek	-ο	ending for accusative singular forms (eg δρόμος, ψήφος); and some vocative singular forms
6	Ancient Greek	εἶδος	That which is seen: form, image, shape;...
7	Spanish	-scopio	-scope
8	Latin	-scopium	—
9	Ancient Greek	σκοπέω	I look, look at, behold; I examine, inspect; 413...
10	Ancient Greek	σκοπός	watcher, lookout; protector, guardian; spy, scout
11	Ancient Greek	σκέπτομαι	I look at, examine; I examine, consider, think
12	Proto-Hellenic	sképťomai	to look at
13	Proto-Indo-European	spéḱyeti	to be looking at, to keep looking at
14	Proto-Indo-European	speḱ-	to see, to look, to observe

via English ectomy

Step	Language	Word	Meaning
1	English	ectomy	Any operation involving surgical excision or...
2	English	-ectomy	Excision of; Surgical removal of
3	Ancient Greek	ἐκτομή	a cutting out; a segment
4	Ancient Greek	ἐκτέμνω	to cut out; to castrate; to divide, zone
5	Ancient Greek	τέμνω	I cut, hew; I maim, wound; I butcher, sacrifice
6	Proto-Indo-European	-né-	Forms mostly transitive imperfective verbs from...

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