Where does “schwieger-” come from?
schwieger- (German) comes from German Schwieger, from Middle High German swiger, from Old High German swigar, from Proto-West Germanic *swegru, from Proto-Germanic swegrō, from Proto-Indo-European sweḱrúh₂, from Proto-Indo-European swéḱuros — father-in-law.
schwieger- (German): -in-law
Ancestry of “schwieger-”, step by step
Words derived from “schwieger-”