Where does “tweendom” come from?

tweendom (English) comes from English DOM, from English dominance, from English -ance, from Middle English -aunce, from Old French -ance, from Latin -ia, from Latin -ius, from Proto-Italic -jōs — Creates adjectives from noun or verb stems.

tweendom (English): The stage, state, or world of tweens; tweens...

Definitions

  1. The stage, state, or world of tweens; tweens...

Ancestry of “tweendom”, step by step

tweendom traces back through two separate lines of ancestry.

via English DOM

StepLanguageWordMeaning
1EnglishDOMInitialism of date of marriage; Initialism of...
2EnglishdominanceThe state of being dominant; of prime importance;...
3English-anceAdded to an adjective or verb to form a noun...
4Middle English-aunceForms nouns indicating states or processes, usually from verbs or other nouns; -ance
5Old French-anceance (suffix used to form nouns)
6Latin-iaUsed to form a feminine abstract noun, usually...
7Latin-iusforming adjectives from nouns; nominative neuter...
8Proto-Italic-jōsForms comparative adjectives
9Proto-Indo-European-yósCreates adjectives from noun or verb stems

via English tween

StepLanguageWordMeaning
1EnglishtweenAn action of tweening (inserting frames for continuity); a sequence of frames generated by tweening
2EnglishtwentyThe cardinal number 20, occurring after nineteen...
3Middle EnglishtwentyAlternative form of twenti
4Old Englishtwēntiġtwenty
5Proto-Germanictwai tigiwiztwenty
6Proto-Germanictwaitwo
7Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European -yós