Italian autunno

← Catalan autumne (cognate)

← Spanish otoño (cognate)

← French autonne (cognate)

← Friulian atum (cognate)

← Italian autono (cognate)

← Latin autumnus (borrowed)

← Portuguese outono (cognate)

← Romansch utuon (cognate)

← Romansch atun (cognate)

← Romansch aton (mention)

← Romanian toamnă (cognate)

← Aromanian toamnã (cognate)

← Sardinian atónzu (cognate)

← Sardinian atógniu (mention)

→ Esperanto aŭtuno (derived)

→ Ido autuno (derived)

→ Portuguese outono (cognate)