English

joy killer

Compound of joy + killer.

A compound of joy + killer

Latin gaudeō ‘to be glad, rejoice’

Latin gaudium

Late Latin gaudia

Old French joie

Middle English joye ‘joy’

English joy

Middle English killer

Today it means

noun killjoy (Someone or something that hinders fun.)

Language periods are conventional ranges, not dates for this word.

Etymograph / joy killer