Where does “serein” come from?

serein (French) comes from Old French serein, from Vulgar Latin seranum, 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.

serein (French): unclouded, clear; serene, calm, tranquil; serein

Definitions

  1. unclouded, clear; serene, calm, tranquil; serein

Ancestry of “serein”, step by step

StepLanguageWordMeaning
1Old Frenchsereinserene, calm, tranquil; evening
2Vulgar Latinseranum—
3Latinsēruslate, too late
4Proto-Italicswerjos—
5Proto-Indo-Europeanswer-yo-s—
6Proto-Indo-Europeanswer-to ache; to fester; wound; injury

Words derived from “serein”

Every word from Proto-Indo-European swer- →Every word from Proto-Indo-European swer-yo-s →Every word from Proto-Italic swerjos →
serein — Etymology, Origin & Word History | Etymology Explorer