English
QEF
QEF comes from Latin quod erat faciendum ‘what was to have been done’, and goes back to Ancient Greek ὅπερ ἔδει ποιῆσαι.
- Ancient Greekc. 800–300 BCEὅπερ ἔδει ποιῆσαιhóper édei poiêsai
- Latinc. 75 BCE–200 CEquod erat faciendum‘what was to have been done’
- EnglishtodayQEF
attested reconstructed ? uncertain or disputed
Lineage
- Ancient Greekc. 800–300 BCEὅπερ ἔδει ποιῆσαιhóper édei poiêsai
- Latinc. 75 BCE–200 CEquod erat faciendum‘what was to have been done’
- EnglishtodayQEF
Every English word from Ancient Greek ὅπερ ἔδει ποιῆσαι
Today it means
phrase “quod erat faciendum”, “what was to have been done” – used to end a mathematical passage other than a proof.
Language periods are conventional ranges, not dates for this word.