Where does “rabat-joie” come from?

rabat-joie (French) comes from French joie, from English Joy, from Middle English joye, from Old French joie, from Latin gaudia, from Latin gaudium, from Latin -ium, from Latin -ius — Creates adjectives from noun or verb stems.

rabat-joie (French): killjoy, spoilsport, wet blanket

Definitions

  1. killjoy, spoilsport, wet blanket

Ancestry of “rabat-joie”, step by step

rabat-joie traces back through two separate lines of ancestry.

via French joie

StepLanguageWordMeaning
1Frenchjoiejoy
2EnglishJoyA feeling of extreme happiness or cheerfulness, especially related to the acquisition or expectation of something good
3Middle Englishjoyejoy; elation; gaiety
4Old Frenchjoiejoy; Alternative form of jouel
5Latingaudianominative plural of gaudium; accusative plural...
6Latingaudiumjoy, delight
7Latin-iumSuffix used to form abstract nouns, sometimes...
8Latin-iusforming adjectives from nouns; nominative neuter...
9Proto-Italic-jōsForms comparative adjectives
10Proto-Indo-European-yósCreates adjectives from noun or verb stems

via French rabattre

StepLanguageWordMeaning
1Frenchrabattreto make something lower; to close, shut; to fold...
2Frenchré-re-
3Latinrĕ-back, backwards
4Latinprōdūcōto lead or bring forth, forward or out
5Latinprō-forward direction, forward movement
6Proto-Italic*pro-pro- see the Latin entry for further meanings
7Proto-Indo-Europeanpro-toward, forward
8Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
9Proto-Indo-Europeanper-before, in front; first; to go through
10Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European -yósEvery word from Latin -iumEvery word from Latin -ius