Etymology

buy-in

Today it means: Support; agreement; blessing (in a secular sense). Full definition →

English buy ← Middle English byen ← Old English bycġan
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buy-in · noun1

Deverbal from buy in.

buy-in · noun2

  1. Proto-Indo-European*bʰewgʰ-
  2. Proto-Germanic*bugjaną
  3. Proto-West Germanic*buggjan
  4. Old Englishbycġan
  5. Middle Englishbyen
  6. Englishbuy
  7. English todaybuy-in

From buy + -in.

Etymology from Wiktionary, CC BY-SA 4.0.