Where does “Spiritus lenis” come from?

Spiritus lenis (German) comes from Latin spiritus lenis, from Ancient Greek ψιλὸν πνεῦμα.

Spiritus lenis (German): spiritus lenis

Definitions

Step	Language	Word	Meaning
1	Latin	spiritus lenis	spiritus lenis
2	Ancient Greek	ψιλὸν πνεῦμα	—

Spiritus lenis — Etymology, Origin & Word History | Etymology Explorer