Where does “megachallenge” come from?

megachallenge (English) comes from English challenge, from Middle English chalenge, from Old French chalenge, from Latin calumnia, from Proto-Italic kalwomniā, from Proto-Italic kalwomnos — deceiving, accusing.

megachallenge (English): An exceptionally difficult challenge

Definitions

  1. An exceptionally difficult challenge

Ancestry of “megachallenge”, step by step

megachallenge traces back through two separate lines of ancestry.

via English challenge

StepLanguageWordMeaning
1EnglishchallengeA confrontation; a dare; A difficult task,...
2Middle EnglishchalengeA fraudulent legal claim, allegation or...
3Old FrenchchalengeAlternative form of chalonge
4LatincalumniaA cunning device, trickery, artifice, sophistry,...
5Proto-Italickalwomniā
6Proto-Italickalwomnosdeceiving, accusing

via English mega

StepLanguageWordMeaning
1EnglishmegaVery large; great; excellent
2Ancient Greekμέγαςbig, large; great, mighty, loud; marvelous,...
3Proto-Indo-Europeanmeǵh₂sgreat
Every word from Proto-Italic kalwomnosEvery word from Proto-Italic kalwomniāEvery word from Latin calumnia