English
regression
Regression comes from Latin regressio.
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, English regression
- Earliest quotation in Wiktionary’s entry: 1899, Thorstein Veblen, The Theory of the Leisure Class […]: “Few of these groups or communities that are classed…”.
Lineage
- Latinc. 75 BCE–200 CEregressioWiktionary, English regression
- Englishearliest quotation 1899regressionWiktionary, English regression. Earliest quotation in Wiktionary’s entry: 1899, Thorstein Veblen, The Theory of the Leisure Class […]: “Few of these groups or communities that are classed…”
Formed from regress + -ion
Proto-Indo-European *gʰredʰ- ‘to walk, go’
Latin gradior ‘to go’
Latin regredior ‘to go back’
Latin regressus
English regress
The story
The statistics sense comes from regression to the mean.
Every English word from Latin regressio
Today it means
noun An action of regressing, a return to a previous state.
Sources
Sources: Wiktionary, “regression”. 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 / Latin regressio / regression