Translation of "D’où" in English

Tu sais d’où vient le sigle « PDF » ?

Do you know what PDF stands for?

D’où tu tiens cette confiance en toi ?

- Where does all that confidence come from?
- Where did all that self-confidence come from?

Sami n'avait pas la moindre idée d’où Layla était.

Sami had no idea where Layla was.

Personne ne savait qui était le cadavre et d’où il provenait.

No one knows whose corpse that was nor where it came from.

J'ai de sérieuses raisons de croire que la planète d’où venait le petit prince est l’astéroïde B 612.

I have serious reason to believe that the planet from which the little prince came is the asteroid known as Β 612.