告别

I've come to say goodbye to you.

She still has several goodbyes to say before leaving.

bid sb an affectionate/loving farewell; extend a hearty farewell to sb

bow one's adieu; bow in valediction

wave goodbye/one's farewell to sb; give sb a farewell wave

say a tearful goodbye to sb; part tearfully from sb; depart in tears

nod goodbye to sb

bow/bid farewell to one's country

We left Xi'an and went on to Lanzhou.

pay one's last respects to the deceased