Proto-Germanic *flauhaz

→ English flea (inherited)

→ Old English fleah (inherited)

→ Cimbrian blòach (inherited)

→ Middle English fle (inherited)

→ Alemannic German Flo (inherited)

→ Icelandic fló (derived)

→ Luxembourgish Flou (inherited)

→ Dutch vlo (inherited)

→ Old Norse fló (inherited)

→ Saterland Frisian Flee (inherited)

→ Yiddish פֿלוי (inherited)