Latin rastrum

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

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

← Latin rādō (suffix)

← Latin trum (suffix)

← Latin rādula (mention)

← Latin rallum (mention)

→ English rastrum (borrowed)

→ Spanish rastrillo (mention)

→ Galician rastro (inherited)

→ Italian rastro (inherited)

→ Portuguese rastro (inherited)