Where does “Black Friday” come from?

Black Friday (Portuguese) comes from English Black Friday, from English black, from Middle English blake, from Old English blāc, from Old English -ian, from Old English -ōjan, from Proto-West Germanic -ōn, from Proto-Germanic -ōną — he, she.

Black Friday (Portuguese): Black Friday period with widespread discounts after the fourth Tuesday of November

Definitions

  1. Black Friday period with widespread discounts after the fourth Tuesday of November

Ancestry of “Black Friday”, step by step

StepLanguageWordMeaning
1EnglishBlack Fridayday after U.S. Thanksgiving Day; day after US...
2EnglishblackAbsorbing all light and reflecting none; dark and...
3Middle EnglishblakeAlternative form of blak
4Old Englishblācshining, white, pale; bleak, pale, pallid, wan,...
5Old English-ianForms verbs from nouns and adjectives
6Old English-ōjan—
7Proto-West Germanic-ōnCreates denominative verbs from nouns; Creates...
8Proto-Germanic-ōnąCreates denominative verbs from nouns; Creates...
9Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
10Proto-Indo-European-yétiCreates intransitive, often deponent,...
11Proto-Indo-Europeanyé-—
12Chichewaiyehe, she

Words derived from “Black Friday”

Every word from Chichewa iye →Every word from Proto-Indo-European -yéti →Every word from Proto-Germanic -ōną →