Where does “serião” come from?

serião (Portuguese) comes from Portuguese sério, from Spanish serio, 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.

Ancestry of “serião”, step by step

StepLanguageWordMeaning
1Portuguesesérioserious; solemn; serious; dangerous
2Spanishserioserious, earnest, sober, solemn; serious, grave,...
3Latinsēriusgrave; earnest; serious
4Latinsēruslate, too late
5Proto-Italicswerjos
6Proto-Indo-Europeanswer-yo-s
7Proto-Indo-Europeanswer-to ache; to fester; wound; injury
Every word from Proto-Indo-European swer-