Where does “nondisjunct” come from?

nondisjunct (English) comes from English disjunct, from French disjoint, from French disjoindre, from French joindre, from Old French joindre, from Vulgar Latin junior, from Latin iūnior, from Latin iuvenior — young.

nondisjunct (English): Not disjunct

Definitions

  1. Not disjunct

Ancestry of “nondisjunct”, step by step

nondisjunct traces back through two separate lines of ancestry.

via English disjunct

StepLanguageWordMeaning
1EnglishdisjunctThe state of being disjointed; disjointedness; a...
2Frenchdisjointpast participle of disjoindre; disjoint,...
3Frenchdisjoindreto separate; to come apart, separate
4Frenchjoindreto join; to join up
5Old Frenchjoindreto meet up with; to go and see; to join; to join...
6Vulgar LatinjuniorAlternative form of iūnior
7Latiniūnior—
8Latiniuvenioryounger, more youthful
9Latiniuvenisyoung; A youth, a young man, young woman, young...
10Proto-Italic*juwōyoung

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum—
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Italic *juwō →Every word from Latin iuvenis →Every word from Latin iuvenior →