English
quality
Quality comes from Old French qualité, from Latin quālitās, from quālis ‘of what kind’, ultimately from Proto-Indo-European *kʷo- ‘who’.
- Proto-Indo-Europeanc. 4500–2500 BCE*kʷo-1‘who, how’reconstructed
- Latinc. 75 BCE–200 CEquālis1‘of what kind’
- Latinc. 75 BCE–200 CEquālitās1‘quality’
- Old Frenchc. 842–1400qualité1
- Middle Englishc. 1150–1500qualite1
- Englishearliest quotation 1601quality1
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, English quality
- Earliest quotation in Wiktionary’s entry: 1601, Ben Jonson, Poetaster or The Arraignment: […]: “Tuc[ca]. […] Can thy Author doe it impudently enough?…”.
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*kʷo-Wiktionary, English quality‘who, how’reconstructed
- Latinc. 75 BCE–200 CEquālisWiktionary, English quality‘of what kind’
- Latinc. 75 BCE–200 CEquālitāsWiktionary, English quality‘quality’
- Old Frenchc. 842–1400qualitéWiktionary, English quality
- Middle Englishc. 1150–1500qualiteWiktionary, English quality
- Englishearliest quotation 1601qualityWiktionary, English quality. Earliest quotation in Wiktionary’s entry: 1601, Ben Jonson, Poetaster or The Arraignment: […]: “Tuc[ca]. […] Can thy Author doe it impudently enough?…”
The story
Cicero coined qualitas as a calque to translate the Ancient Greek word ποιότης (poiótēs, “quality”), coined by Plato from ποῖος (poîos, “of what nature, of what kind”).
Every English word from Proto-Indo-European *kʷo-
Today it means
noun The kind, condition, and/or the set of characteristics of something, as opposed to the quantity of something.
Sources
Sources: Wiktionary, “quality”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / Proto-Indo-European *kʷo- / quality