Where does “killjoyism” come from?

killjoyism (English) comes from English killjoy, from English joy, from French joie, from English Joy, from Middle English joye, from Old French joie, from Latin gaudia, from Latin gaudium — Creates adjectives from noun or verb stems.

killjoyism (English): The behaviour of a killjoy

Definitions

  1. The behaviour of a killjoy

Ancestry of “killjoyism”, step by step

killjoyism traces back through two separate lines of ancestry.

via English killjoy

StepLanguageWordMeaning
1EnglishkilljoyA person who is anti-fun, or prevents others from...
2EnglishjoyA feeling of extreme happiness or cheerfulness,...
3Frenchjoiejoy
4EnglishJoyA feeling of extreme happiness or cheerfulness, especially related to the acquisition or expectation of something good
5Middle Englishjoyejoy; elation; gaiety
6Old Frenchjoiejoy; Alternative form of jouel
7Latingaudianominative plural of gaudium; accusative plural...
8Latingaudiumjoy, delight
9Latin-iumSuffix used to form abstract nouns, sometimes...
10Latin-iusforming adjectives from nouns; nominative neuter...
11Proto-Italic-jōsForms comparative adjectives
12Proto-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 -yós