Where does “semihumid” come from?

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

semihumid (English): Somewhat or partly humid

Definitions

Somewhat or partly humid

Ancestry of “semihumid”, step by step

semihumid traces back through two separate lines of ancestry.

via English humid

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	—

via English semi

Step	Language	Word	Meaning
1	English	semi	A semi-detached house; A semitrailer; a...
2	English	semi-	half; partial, incomplete; somewhat, rather,...
3	Latin	sēmi-	half
4	Proto-Indo-European	sēmi	half; partially

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