se

pronoun masculine or feminine: el, la se

1. himself, herself, themselves

   • Mi hermana se llama Sofía.
     My sister's name is Sofía.

2. yourself (polite)

   • ¿Cómo se siente usted?
     How do you feel? (polite)

3. one, people (in signs) se vende, se renta

   • Se vende carro.
     Car for sale.

Not sé (I know), which has an accent.

Learn it in Unit 1: Hola: What is your name? · A1