Portuguese minguar

← Catalan minvar (cognate)

← Spanish menguar (cognate)

← Galician minguar (cognate)

← Proto-Indo-European *mey- (mention)

← Latin (mention)

← Latin minuĕre (mention)

← Latin minuō (mention)

← Old Portuguese minguar (mention)

→ Spanish menguar (cognate)

→ Portuguese míngua (back-formation)