Where does “Unitarianism” come from?

Unitarianism derives from English Unitarian combined with Ancient Greek -ισμός, itself from Ancient Greek -μμός, ultimately from Proto-Indo-European -mós, a suffix forming abstract nouns denoting states or conditions.

Unitarianism (English): The religious belief that God is a single Person

Definitions

  1. The religious belief that God is a single Person

Ancestry of “Unitarianism”, step by step

StepLanguageWordMeaning
1EnglishUnitarianA Christian who does not believe in the...
2EnglishunitaryHaving the quality of oneness; That concentrates...
3EnglishunitOneness, singularity, seen as a component of a...
4EnglishuniteTo bring together as one; To come together as...
5Middle Englishunitento annex; to unite
6Latinūnītusunited
7Latinūniōa unity, union
8Latin-iō
9Proto-West Germanic-jōForms agent nouns from verbs
10Proto-Indo-European-yétiCreates intransitive, often deponent,...
11Proto-Indo-Europeanyé-
12Chichewaiyehe, she
Every word from Chichewa iyeEvery word from Proto-Indo-European -yétiEvery word from Latin -iō