Where does “Parnassus” come from?

Parnassus comes from Ancient Greek Παρνασσός, a mountain name of uncertain etymology and original meaning.

Ancestry of “Parnassus”, step by step

Step	Language	Word	Meaning
1	Latin	parnasus	—
2	Ancient Greek	Παρνασσός	—

Parnassus — Etymology, Origin & Word History | Etymology Explorer