| 1 | Old French | joieus | joyous; overjoyed |
| 2 | Old French | joie | joy; Alternative form of jouel |
| 3 | Latin | gaudia | nominative plural of gaudium; accusative plural... |
| 4 | Latin | gaudium | joy, delight |
| 5 | Latin | -ium | Suffix used to form abstract nouns, sometimes... |
| 6 | Latin | -ius | forming adjectives from nouns; nominative neuter... |
| 7 | Proto-Italic | -jōs | Forms comparative adjectives |
| 8 | Proto-Indo-European | -yós | Creates adjectives from noun or verb stems |