Portuguese porque

← Catalan perquè (cognate)

← Spanish porque (cognate)

← French parce que (cognate)

← Galician porque (cognate)

← Italian perché (cognate)

← Portuguese por (compound)

← Portuguese que (compound)

← Old Portuguese porque (mention)

→ French parce que (cognate)

→ Guinea-Bissau Creole purke (derived)

→ Portuguese por (link)

→ Portuguese querer porque querer (mention)

→ Portuguese por causa que (mention)