Where does “nonserious” come from?
nonserious (English) comes from English serious, from Middle English seryows, from Old French serieux, from Medieval Latin seriosus, from Latin sērius, from Latin sērus, from Proto-Italic swerjos, from Proto-Indo-European swer-yo-s — to ache; to fester; wound; injury.
nonserious (English): Not serious
Ancestry of “nonserious”, step by step