Where does “несерьёзный” come from?
несерьёзный (Russian) comes from Russian серьёзный, from French sérieux, from Latin sēriōsus, from Latin sērius, from Latin sērus, from Proto-Italic swerjos, from Proto-Indo-European swer-yo-s, from Proto-Indo-European swer- — to ache; to fester; wound; injury.
несерьёзный (Russian): not serious, light-headed, frivolous; unfounded;...
Definitions
- not serious, light-headed, frivolous; unfounded;...
Ancestry of “несерьёзный”, step by step