Etymology

subtree

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Today it means: A tree wholly contained in another. Full definition →

English tree ← Middle English tre ← Old English trēow
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The story

  1. Latinsub
  2. Latinsub-
  3. Englishsub-
  4. Proto-Indo-European*dóru
  5. Proto-Germanic*trewą
  6. Proto-West Germanic*treu
  7. Old Englishtrēow
  8. Middle Englishtre
  9. Englishtree
  10. English todaysubtree

From sub- + tree.

Etymology from Wiktionary, CC BY-SA 4.0.