Where does “semiconductor” come from?

Semiconductor comes from English semi- combined with conductor, which derives from Middle French conductour, from Latin dūcere meaning "to lead."

semiconductor (English): A substance with electrical properties...

Definitions

Step	Language	Word	Meaning
1	English	conductor	One who conducts or leads; a guide; a director; A...
2	Middle French	conductour	—
3	Old French	conduitor	—
4	Latin	conductor	employer, entrepreneur; contractor; conductor
5	Latin	condūcō	—
6	Latin	dūcō	—
7	Proto-Italic	doukō	lead
8	Proto-Indo-European	déwketi	—
9	Proto-Indo-European	dewk-	to pull, to draw; to lead

semiconductor — Etymology, Origin & Word History | Etymology Explorer