Where does “Schwiegersohn” come from?
Schwiegersohn (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.
Schwiegersohn (German): son-in-law
Ancestry of “Schwiegersohn”, step by step