Where does “megadestruction” come from?

megadestruction (English) comes from English destruction, from Middle English destruccioun, from Old French destrucion, from Latin destructio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere — small stone, pebble; gravel, rubble.

megadestruction (English): Very large-scale destruction, especially resulting from nuclear warfare

Definitions

  1. Very large-scale destruction, especially resulting from nuclear warfare

Ancestry of “megadestruction”, step by step

megadestruction traces back through two separate lines of ancestry.

via English destruction

StepLanguageWordMeaning
1EnglishdestructionThe act of destroying; The results of a...
2Middle EnglishdestrucciounDestruction; the act of destroying or being destroyed
3Old Frenchdestruciondestruction
4Latindestructiodestruction, demolition; refutation
5Latin-tiōtion, -ation, -ing
6Latindissertātiō(spoken) dissertation, discourse, disquisition
7Latindissertusarranged, disposed; explained
8Latindissereresecond-person singular future passive indicative...
9Latindis-asunder, apart, in two; reversal, removal;...
10Latincalceusshoe
11Latincalxlimestone; chalk; the finish line
12Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English mega

StepLanguageWordMeaning
1EnglishmegaVery large; great; excellent
2Ancient Greekμέγαςbig, large; great, mighty, loud; marvelous,...
3Proto-Indo-Europeanmeǵh₂sgreat
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-