- si̯ē(u)-ro- : si̯ǝ-ur(i̯o)-
- si̯ē-ro- : si̯ǝ-ur(i̯o)-[u]English meaning: brother-in-lawDeutsche Übersetzung: “Bruder der Frau”?Note: From an extended Root se- : reflexive pronounMaterial: O.Ind. syülá- “ brother of the wife, woman”; Serb.-Church Slavic šurь, Serb. šû ra, aRuss. Russ. šú rin (pl. šú rьja, compare bratьja). Maybe Alb. (*hu̯ela) vëlla “brother”References: WP. II 514, Trautmann 261, Specht IE Decl. 91; against it Brũckner ZslPh. 4, 217;See also: whether to sē̆ i-3 S. 891?
Proto-Indo-European etymological dictionary. 2015.