Where does “memoirism” come from?

memoirism (English) comes from English memoir, from French mémoire, from Middle French memoire, from Old French memoire, from Latin memoria, from Latin -ia, from Latin -ius, from Proto-Italic -jōs — Creates adjectives from noun or verb stems.

memoirism (English): The act or art of writing memoirs

Definitions

  1. The act or art of writing memoirs

Ancestry of “memoirism”, step by step

memoirism traces back through two separate lines of ancestry.

via English memoir

StepLanguageWordMeaning
1EnglishmemoirAn autobiography; a book describing the personal...
2Frenchmémoirememory; memo; dissertation, paper
3Middle Frenchmemoirememory
4Old Frenchmemoirememory
5Latinmemoriamemory; the ability to remember; a remembrance, a...
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 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 -yósEvery word from Latin -iaEvery word from Latin -ius