Zwilling

Etymology tree
Proto-Indo-European *dwóh₁
Proto-Indo-European *dwinosder.
Proto-Germanic *twinaz
Proto-Indo-European *-lósder.
Proto-Germanic *-ilaz
Proto-Indo-European *-n̥kʷo-der.?
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Germanic *-īnaz
Proto-Indo-European *-kos
Proto-Germanic *-gaz
?
Proto-Germanic *-ingaz
Proto-Germanic *-ilingaz
Proto-Germanic *twinilingaz
Old High German *twiniling
Old High German zwiniling
Middle High German zwillinc
German Zwillingbor.
English Zwilling
Borrowed from German Zwilling.