Where does “megamarket” come from?

megamarket (English) comes from English market, from Middle English market, from Old Norse markaðr, from Old Saxon markat, from Latin marcātus, from Latin mercatus, from Latin -tus, from Proto-Italic -tus — Derives action nouns from verb roots.

megamarket (English): A market that is very large; A very large grocery...

Definitions

  1. A market that is very large; A very large grocery...

Ancestry of “megamarket”, step by step

megamarket traces back through two separate lines of ancestry.

via English market

StepLanguageWordMeaning
1EnglishmarketA gathering of people for the purchase and sale...
2Middle EnglishmarketA market periodic public assembly for buying or selling
3Old Norsemarkaðrmarket
4Old Saxonmarkat
5Latinmarcātus
6Latinmercatustrade, traffic, buying and selling; market,...
7Latin-tusForms the past participle of verbs; Forms...
8Proto-Italic-tus
9Proto-Indo-European-tusDerives action nouns from verb roots

via English mega

StepLanguageWordMeaning
1EnglishmegaVery large; great; excellent
2Ancient Greekμέγαςbig, large; great, mighty, loud; marvelous,...
3Proto-Indo-Europeanmeǵh₂sgreat
Every word from Proto-Indo-European -tusEvery word from Latin -tusEvery word from Latin mercatus