Fensterflügel (German) comes from German Flügel, from Middle High German vlügel, from Old Dutch flugil, from Proto-Germanic flugilaz, from Proto-Germanic fleuganą, from Proto-Indo-European plewk-, from Proto-Indo-European plew- — to fly, flow, run.
Fensterflügel (German): casement, window casement
Definitions
casement, window casement
Ancestry of “Fensterflügel”, step by step
Fensterflügel traces back through two separate lines of ancestry.