Portuguese troar

← Spanish tronar (cognate)

← Proto-Indo-European *(s)tenh₂- (derived)

← Latin tonāre (inherited)

← Latin tonō (mention)

← Latin tonitrus (mention)

← Latin (mention)

← Portuguese estrondo (mention)

← Portuguese trom (mention)

← Old Portuguese trõar (inherited)

→ Catalan tronar (cognate)

→ Spanish tronar (cognate)

→ Portuguese trovão (mention)