Where does “quadrinity” come from?

quadrinity (English) comes from English Trinity, from Middle English trinite, from Anglo-Norman trinite, from Latin trīnitās, from German Dreieinigkeit, from German Einigkeit, from German -keit, from German -heit.

Ancestry of “quadrinity”, step by step

StepLanguageWordMeaning
1EnglishTrinityIn Christian belief, the three persons of the Godhead: the Father, Son and Holy Spirit
2Middle EnglishtriniteA triad; a trinity
3Anglo-Normantrinite
4Latintrīnitāsthreeness; the state of being three
5GermanDreieinigkeitTrinity
6GermanEinigkeitunity; consensus, agreement
7German-keitAlternative form of -heit; -ness, -ty; -ty
8German-heitConverts an adjective into a noun and usually...
9Middle High German-heitness, -ity, -hood; forms nouns from adjectives, denoting the abstract quality of the adjective
10Old High German-heitnature, character
11Proto-West Germanic-haiduhood
12Proto-Germanichaiduzmanner, way; personality, character; appearance
13Proto-Indo-European(s)kayt-
Every word from Proto-Indo-European (s)kayt-Every word from German -keitEvery word from German -heit
quadrinity — Etymology, Origin & Word History | Etymology Explorer