Etymology

grandson

grand·son
G2R1A1N1D2S1O1N1

Today it means: A son of one's child. Full definition →

English son ← Middle English sone ← Old English sunu
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The story

  1. Englishgrand-
  2. Proto-Indo-European*sew-?
  3. Proto-Indo-European*sewH-
  4. Proto-Indo-European*suHnús
  5. Proto-Germanic*sunuz
  6. Proto-West Germanic*sunu
  7. Old Englishsunu
  8. Middle Englishsone
  9. Englishson
  10. English todaygrandson

From grand- + son.

Etymology from Wiktionary, CC BY-SA 4.0.