Where does “humidistat” come from?

humidistat (English) comes from English humid, from Old French humide, from Latin humidus, from Latin umidus, from Latin -idus, from Proto-Italic *-iðos.

humidistat (English): A device that measures, or controls, the relative...

Definitions

A device that measures, or controls, the relative...

Ancestry of “humidistat”, step by step

Step	Language	Word	Meaning
1	English	humid	Containing perceptible moisture (usually describing air or atmosphere); damp; moist; somewhat wet or watery
2	Old French	humide	—
3	Latin	humidus	humid
4	Latin	umidus	moist, humid, damp, dank, wet; formerly liquid,...
5	Latin	-idus	tending to
6	Proto-Italic	*-iðos	—

Every word from Proto-Italic *-iðos →Every word from Latin -idus →Every word from Latin umidus →