Latin rallum

← Proto-Indo-European *reh₁d- (derived)

← Proto-Indo-European *-dʰlom (mention)

← Latin rādō (suffix)

← Latin bulum (suffix)

← Latin rāstrum (mention)

← Latin rādula (mention)

→ Spanish rallar (derived)

→ Galician relo (inherited)

→ Italian ralla (derived)

→ Latin rado (link)

→ Latin radula (mention)

→ Latin rastrum (mention)

→ Portuguese ralo (inherited)