Where does “siebzehnjährig” come from?
siebzehnjährig (German) comes from German siebzehn, from Middle High German sibenzehen, from Old High German sibunzehan, from Proto-Germanic sebuntehun, from Proto-Germanic sebun, from Proto-Germanic sebunt, from Proto-Indo-European septḿ̥ — seven.
siebzehnjährig (German): seventeen-year-old
Ancestry of “siebzehnjährig”, step by step