Etymology

yay

Y4A1Y4

Today it means: An expression of happiness. Full definition →

Spanish llello
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yay · interjection, adverb1

Alteration of yea (“yes; even, truly, verily”). More at yea.

yay · noun2

  1. Spanish · derived fromllello
  2. English todayyay

Clipping of yayo, from Spanish llello.

Yay · proper noun3

  1. Vietnamese · borrowed fromGiáy
  2. Vietnamese · borrowed fromGiáy
  3. English todayYay

Borrowed from Vietnamese Giáy.

Words from the same roots

Spanishllello all →

yayo

Etymology from Wiktionary, CC BY-SA 4.0.