Where does “радиоэлектронный” come from?
радиоэлектронный (Russian) comes from Russian электро́нный, from Russian электро́н, from French électron, from English electron, from Latin ēlectrum, from Ancient Greek ἤλεκτρον — amber; alloy of gold and silver, electrum.
радиоэлектронный (Russian): radio-electronic
Ancestry of “радиоэлектронный”, step by step