Where does “prosaicism” come from?

prosaicism (English) comes from English prosaic, from Middle French prosaïque, from Medieval Latin prosaicus, from Latin prōsa, from Latin prorsus, from Latin prō, from Latin ratus, from Latin rēōr — to fit, to fix, to put together.

prosaicism (English): The quality or state of being prosaic; a prosaic...

Definitions

  1. The quality or state of being prosaic; a prosaic...

Ancestry of “prosaicism”, step by step

prosaicism traces back through two separate lines of ancestry.

via English prosaic

StepLanguageWordMeaning
1EnglishprosaicPertaining to or having the characteristics of...
2Middle Frenchprosaïque
3Medieval Latinprosaicusin prose
4Latinprōsaprose
5Latinprorsusstraightforward, right onwards, straight, direct;...
6Latinprōfor
7Latinratusconsidered, having been considered; established,...
8Latinrēōrto reckon, calculate
9Proto-Italicrēōrto reckon, to calculate; to think, to deem, to...
10Proto-Indo-Europeanh₂reh₁-to think, reason; to arrange
11Proto-Indo-Europeanh₂er-to fit, to fix, to put together

via English ism

StepLanguageWordMeaning
1EnglishismAn ideology, system of thought, or practice that...
2English-ismUsed to form nouns of action or process or result...
3Latin-ismus-ism
4Ancient Greek-ισμόςForms abstract nouns
5Ancient Greek-μόςForms abstract nouns
6Proto-Indo-European-mósCreates action/result nouns from verb stems
Every word from Proto-Indo-European h₂er-