←
Proto-Germanic *fulīną (inherited)
←
Proto-Germanic *fulô (derived)
←
Middle High German vülīn (inherited)
←
Middle High German fülīn (mention)
←
Old High German fulīn (inherited)
→
Alemannic German Füli (cognate)
→
Luxembourgish Fillen (cognate)
→
Pennsylvania German Fill (cognate)