Proto-Indo-European *dʰeh₁y-li-os

→ Aragonese fillo (inherited)

→ French fils (inherited)

→ Galician fillo (derived)

→ Italian figlia (inherited)

→ Italian figlio (inherited)

→ Mozarabic فيليه (inherited)

→ Romansch figlia (inherited)

→ Romansch figl (inherited)

→ Romansch fegl (inherited)

→ Old Portuguese fillo (inherited)

→ Faliscan 𐌚𐌉𐌋𐌄𐌏 (inherited)