Etymology

fifteenth

fif·teenth
F4I1F4T1E1E1N1T1H4

Today it means: The ordinal form of the number fifteen. Full definition →

Middle English fiftenthe ← Old English fīftēoþa
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The story

  1. Old English · inherited fromfīftēoþa
  2. Middle English · inherited fromfiftenthe
  3. English todayfifteenth

Inherited from Middle English fiftenthe, fiftethe, from Old English fīftēoþa, equivalent to fifteen + -th.

Etymology from Wiktionary, CC BY-SA 4.0.