Where does “semiseriously” come from?
semiseriously (English) comes from English semiserious, 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 — to ache; to fester; wound; injury.
semiseriously (English): In a semiserious manner
Ancestry of “semiseriously”, step by step