Etymology

whatth

W4H4A1T1T1H4

Today it means: Which ordinal number. Full definition →

English what ← Middle English what ← Old English hwæt
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The story

  1. Proto-Indo-European*kʷ-
  2. Proto-Indo-European*kʷís
  3. Proto-Germanic*hwat
  4. Proto-West Germanic*hwat
  5. Old Englishhwæt
  6. Middle Englishwhat
  7. Englishwhat
  8. English todaywhatth

From what + -th (ordinal suffix).

Etymology from Wiktionary, CC BY-SA 4.0.