Etymology Explorer › Old FrenchWhere does “serein” come from? serein (Old French) comes 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 (Old French): serene, calm, tranquil; evening
Definitions serene, calm, tranquil; evening Ancestry of “serein”, step by step serein traces back through two separate lines of ancestry.
via Vulgar Latin seranum Step Language Word Meaning 1 Vulgar Latin seranum — 2 Latin sērus late, too late 3 Proto-Italic swerjos — 4 Proto-Indo-European swer-yo-s — 5 Proto-Indo-European swer- to ache; to fester; wound; injury
via Latin seresco Step Language Word Meaning 1 Latin seresco I become dry, dry off; I turn into whey 2 Latin Serum whey 3 Proto-Indo-European sēr- to flow 4 Proto-Indo-European ser- to flow; to guard; to bind, to tie together
Words derived from “serein”