Etymology

intra-

Today it means: Within a group or concept. Full definition →

Latin intrā ← Proto-Indo-European *h₁énteros
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The story

  1. Proto-Indo-European*h₁én
  2. Proto-Indo-European*h₁énteros
  3. Latin*interus
  4. Latinintrā
  5. English todayintra-

Borrowed from Latin intrā (“within”).

Etymology from Wiktionary, CC BY-SA 4.0.