English
introgress
Introgress comes from Latin introgredior ‘to step in, enter’, and goes back to Proto-Indo-European *gʰredʰ-.
- Proto-Indo-Europeanc. 4500–2500 BCE*gʰredʰ-reconstructed
- Latinc. 75 BCE–200 CEgradior‘to step, walk, stride’
- Latin, derivedc. 75 BCE–200 CEintrogredior‘to step in, enter’
- Englishtodayintrogress
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*gʰredʰ-reconstructed
- Latinc. 75 BCE–200 CEgradior‘to step, walk, stride’
- Latin, derivedc. 75 BCE–200 CEintrogredior‘to step in, enter’
- Englishtodayintrogress
Linked words
through Proto-Indo-European *gʰredʰ-
degree, graduate, progressive, progression, retrograde, gradation, gree, digression, 23 more
through Latin gradior ‘to step, walk, stride’
congress, progress, aggression, ingredient, gradient, aggressor, digress, regress, 24 more
Today it means
verb To infiltrate the genes of one species into the gene pool of another through repeated backcrossing of an interspecific hybrid.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *gʰredʰ- / introgress