Etymology

Oahu

O1A1H4U1

Today it means: The third-largest island of Hawaii, included in the City and County of Honolulu. Full definition →

Hawaiian Oʻahu
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The story

  1. Hawaiian · derived fromahu
  2. Hawaiian · derived fromo
  3. Hawaiian · derived fromOʻahu
  4. English todayOahu

From Hawaiian Oʻahu, probably a corruption of Hawaiian o + Hawaiian ahu (cognate with Rapa Nui ahu), thus [place] of an altar or platform.

Etymology from Wiktionary, CC BY-SA 4.0.