Where does “seranum” come from?

seranum (Vulgar Latin) comes 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 “seranum”, step by step

seranum traces back through two separate lines of ancestry.

via Latin sērus

StepLanguageWordMeaning
1Latinsēruslate, too late
2Proto-Italicswerjos
3Proto-Indo-Europeanswer-yo-s
4Proto-Indo-Europeanswer-to ache; to fester; wound; injury

via Latin Serum

StepLanguageWordMeaning
1LatinSerumwhey
2Proto-Indo-Europeansēr-to flow
3Proto-Indo-Europeanser-to flow; to guard; to bind, to tie together

Words derived from “seranum

Every word from Proto-Indo-European swer-Every word from Proto-Indo-European swer-yo-sEvery word from Proto-Italic swerjos