Latin septimānus

→ Asturian selmana (inherited)

→ Catalan setmana (inherited)

→ Corsican sittimana (inherited)

→ Dalmatian setemúna (inherited)

→ Esperanto semajno (derived)

→ Spanish semana (inherited)

→ French semaine (inherited)

→ Old French semaine (inherited)

→ Friulian setemane (inherited)

→ Galician semana (inherited)

→ Galician somana (inherited)

→ Galician semán (inherited)

→ Galician semá (inherited)

→ Italian settimana (inherited)

→ Latin septimana (mention)

→ Ladin setemena (inherited)

→ Norman s'môine (inherited)

→ Norman s'maine (inherited)

→ Occitan setmana (inherited)

→ Old Spanish setmana (inherited)

→ Portuguese semana (inherited)

→ Romanian săptămână (inherited)

→ Leonese selmana (inherited)

→ Aromanian siptãmãnã (inherited)