Where does “prenuclear” come from?

prenuclear (English) comes from English nuclear, from Latin nū̆cleus, from Latin nuculea, from Latin -eus, from Ancient Greek -εῖος, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

prenuclear (English): Occurring before the start of the nuclear age;...

Definitions

  1. Occurring before the start of the nuclear age;...

Ancestry of “prenuclear”, step by step

prenuclear traces back through two separate lines of ancestry.

via English nuclear

StepLanguageWordMeaning
1EnglishnuclearPertaining to the nucleus of an atom; Involving...
2Latinnū̆cleus(small) nut
3Latinnuculeapertaining to a small nut
4Latin-eusargentum + API → argenteus; ferrum + API →...
5Ancient Greek-εῖοςForms adjectives, usually with a meaning of "of"...
6Proto-Indo-European-iHwós
7Proto-Indo-European-wósCreates adjectives from verb stems

via English pre

StepLanguageWordMeaning
1EnglishpreBefore; Precum, Cowper's fluid, pre-ejaculate; To...
2Latinpraebefore; in front; in front of
3Proto-Italicpraibefore; in front of
4Proto-Indo-Europeanpreh₂-before, in front
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European -wósEvery word from Latin -eusEvery word from Ancient Greek -εῖος