English word diode comes from English -ode (Way, path.), English di-

Detailed word origin of diode

Dictionary entry	Language	Definition
-ode	English (eng)	Way, path.
di-	English (eng)	(uncommon) Alternative form of dis-. Two, twice, or double A form of dia- before a vowel.
diode	English (eng)	(electronics) An electronic device that allows current to flow in one direction only; used chiefly as a rectifier.

Words with the same origin as diode