Etymology

Robertson

R1O1B3E1R1T1S1O1N1

Today it means: An English surname originating as a patronymic. Full definition →

Middle English sone ← Old English sunu ← Proto-West Germanic *sunu
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The story

  1. Proto-Germanic*hrōþiz
  2. Proto-Indo-European*bʰerHǵ-
  3. Proto-Indo-European*bʰer(H)ǵ-tó-s
  4. Proto-Germanic*berhtaz
  5. Proto-Germanic*Hrōþiberhtaz
  6. Proto-West Germanic*Hrōþiberht
  7. Anglo-NormanRobert
  8. EnglishRobert
  9. Proto-Indo-European*sew-?
  10. Proto-Indo-European*sewH-
  11. Proto-Indo-European*suHnús
  12. Proto-Germanic*sunuz
  13. Proto-West Germanic*sunu
  14. Old Englishsunu
  15. Middle Englishsone
  16. English todayRobertson

From Robert + -son.

Etymology from Wiktionary, CC BY-SA 4.0.