Etymology

oh

O1H4

Today it means: A hydroxyl, or alcohol, functional group. Full definition →

Middle English o ← Old French oh ← Latin ō
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oh · interjection, noun, verb1

  1. Latinō
  2. Old Frenchoh
  3. Middle Englisho
  4. English todayoh

Inherited from Middle English o.

oh · noun2

  1. Latinō
  2. Old Frenchoh
  3. Middle Englisho
  4. English todayoh

From Middle English o, oo, from Old English ō, from Latin ō.

oh · noun3

From o (“zero”), extended use of letter O name based on similar shape of the number 0.

Oh · proper noun4

  1. Korean · borrowed from오(吳)
  2. English todayOh

From Korean 오(吳) (O).

Oh · proper noun5

  1. Hokkien · borrowed from胡
  2. English todayOh

From possibly Hokkien 胡 (Ô͘).

Etymology from Wiktionary, CC BY-SA 4.0.