Learn Spanish (Latin America): El mesero sirve la comida inmediatamente.

It comes from the adjective inmediato (immediate). To make it an adverb meaning 'immediately', you first take the feminine form of the adjective, which is inmediata, and then add the ending -mente.

Why is the verb spelled sirve instead of 'serve'?

The verb servir (to serve) is a stem-changing verb. In the present tense, the letter e in the root of the word changes to an i for he, she, it, and you formal. This is a common pattern to watch out for, and it gives us sirve here.

I have seen 'camarero' used for waiter before. Why does this sentence use mesero?

The word mesero is the most standard term for a waiter in much of Latin America, particularly in countries like Mexico and Colombia. The word camarero is more common in Spain, but Spanish speakers everywhere will usually understand both words.

Can I put inmediatamente at the beginning of the sentence?

Yes, Spanish word order is quite flexible! You could say Inmediatamente el mesero sirve la comida if you want to put special emphasis on exactly how fast the action happens. Putting the adverb at the end of the sentence is just the standard, neutral way to say it.