Where does “hidrosis” come from?

hidrosis (English) comes from Ancient Greek ἱδρώς, from Proto-Indo-European swidrōs, from Proto-Indo-European sweyd- — sweat; to sweat.

hidrosis (English): The formation and excretion of sweat;...

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	ἱδρώς	sweat, perspiration; gum, sap; juice, moisture
2	Proto-Indo-European	swidrōs	—
3	Proto-Indo-European	sweyd-	sweat; to sweat