Where does “sciatica” come from?

Sciatica comes from Late Latin sciatica, from Latin sciaticus, from Ancient Greek ἰσχιαδικός, derived from ἰσχίον meaning hip bone.

sciatica (English): Neuralgia of the sciatic nerve, characterised by...

Definitions

Step	Language	Word	Meaning
1	Late Latin	sciatica	—
2	Ancient Greek	ἰσχιαδικός	of the hips
3	Ancient Greek	ἰσχιάς	hip-disease; sciatica; hip disease
4	Ancient Greek	-ᾰ́ς	group of
5	Proto-Indo-European	-ónts	Derives nouns denoting body parts
6	Hungarian	önt	to pour; to cast; accusative singular of ön
7	Hungarian	ön	you
8	Hungarian	ön-	self-
9	Turkish	ön	front
10	Ottoman Turkish	اوك	voice (of human or animal); sound
11	Proto-Turkic	ǖn	sound, voice