How do you say 'thank you and goodbye' in French?

The French equivalent of the English phrase 'thank you and goodbye' is merci et au revoir. In the Word-by-Word translation, the noun 'merci' means 'thanks'. The conjunction 'et' means 'and'. The preposition 'au' means 'to the'. And the infinitive 'revoir', which means 'to see again', is used as a noun, 'the seeing again'.