Where does “Schwiegertochter” come from?
Schwiegertochter (German) comes from German schwieger-, 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.
Schwiegertochter (German): daughter-in-law
Ancestry of “Schwiegertochter”, step by step