atavism /atˈə-vi-zm/

1. The reappearance of ancestral, but not parental, characteristics
2. Reversion to an ancestral, or to a primitive, type

atavistˈic adjective

atavistˈically adverb

• metopryl
• metopryls
• metr-
• metre
• metred
• metre-kilogram-second
• metre-kilogram-second-ampere
• metres
• -metric
• metric
• -metrical
• metrical
• -metrically
• metrically
• metricate
• metricated
• metricates
• metricating
• metrication
• metrications
• metri causa
• metric horsepower
• metric hundredweight
• metrician
• metricians