Where does “Mercado” come from?

Mercado comes from Spanish mercado, from Latin mercatus, the past participle of mercari meaning to trade, derived from merx meaning goods or merchandise, ultimately from Proto-Italic merk-.

Ancestry of “Mercado”, step by step

StepLanguageWordMeaning
1SpanishMercadomarket
2Latinmercatustrade, traffic, buying and selling; market,...
3Latin-tusForms the past participle of verbs; Forms...
4Proto-Italic-tus—
5Proto-Indo-European-tusDerives action nouns from verb roots
Every word from Proto-Indo-European -tus →Every word from Latin -tus →Every word from Latin mercatus →