QEF

Q10E1F4
US/kwɛf/US/kjuː iː ˈɛf/

phrase

“quod erat faciendum”, “what was to have been done” – used to end a mathematical passage other than a proof.

OriginLatin quod erat faciendum ← Ancient Greek ὅπερ ἔδει ποιῆσαι →
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Meanings

QEF1

phrase
  1. “quod erat faciendum”, “what was to have been done” – used to end a mathematical passage other than a proof.

QEF2

nounQEF (plural QEFs)

plural QEFs

  1. abbreviationacronymeconomicsAcronym of qualified election fund.

Origin

  1. Ancient Greekὅπερ ἔδει ποιῆσαι
  2. Latinquod erat faciendum“what was to have been done”
  3. EnglishQEF

From Latin quod erat faciendum (“what was to have been done”), from Ancient Greek ὅπερ ἔδει ποιῆσαι (hóper édei poiêsai).

More words from Latin, Ancient Greek

Full word history & related roots →
Cite this entry
APA

QEF. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/QEF

MLA

“QEF.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/QEF. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “QEF,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/QEF.

Source: QEF on Wiktionary, CC BY-SA 4.0.