Etymology

sixtieth

six·ti·eth
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Today it means: The ordinal form of the number sixty. Full definition →

Middle English sixtithe
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The story

  1. Middle English · inherited fromsixtithe
  2. English todaysixtieth

From earlier sixteth, from Middle English sixtithe; equivalent to sixty + -eth. For the modern form, see the etymological notes at twentieth.

Etymology from Wiktionary, CC BY-SA 4.0.