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septet

/sɛpˈtɛt/ noun

Latin root: septem Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about septet at Wordnik → Where our words come from →

  1. The cardinal number that is the sum of six and one.
  2. Seven performers or singers who perform together.
  3. A set of seven similar things considered as a unit.

Origin

PIE word *septḿ̥ From Latin septem (“seven”).

From Wiktionary, via Kaikki.org (CC BY-SA)