Etymology

Armagh

A1R1M3A1G2H4

Today it means: A city in County Armagh, Northern Ireland, which is the county town (Irish grid ref H 8745). Full definition →

Irish Ard Mhacha ← Middle Irish Ard Macha ← Old Irish Ard Machae
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The story

  1. Proto-Indo-European*h₃er-
  2. Proto-Indo-European*dʰeh₁-
  3. Proto-Indo-European*h₃érdʰeti?
  4. Proto-Indo-European*h₃erdʰ-
  5. Proto-Celtic*ardwos
  6. Old Irishard
  7. Old IrishMachae
  8. Old IrishArd Machae
  9. Middle IrishArd Macha
  10. IrishArd Mhacha
  11. English todayArmagh

From Irish Ard Mhacha (literally “height of Macha”).

Etymology from Wiktionary, CC BY-SA 4.0.