Galician quizais

← Catalan quissà (cognate)

← Spanish quizá (cognate)

← French qui sait (cognate)

← Italian chissà (cognate)

← Latin qui (mention)

← Latin sapit (mention)

← Portuguese quiçá (cognate)

← Old Portuguese quiçay (inherited)

← Old Portuguese quiça (mention)

← Old Portuguese quiçais (mention)