childhood
Una bofetada en la infancia debía haber ayudado.
A slap in the face during childhood should have helped.
— Kal Ho Naa Ho (2003)
Conozco a Tom desde la infancia.
I've known Tom since childhood.
Fui su mejor amigo durante toda la infancia y parte de la adolescencia.
I was his best friend throughout childhood and part of adolescence.
Habían sido amigos desde la infancia.
They had been friends since childhood.
— Tropa de Élite (2007)
Sí, somos amigos desde la infancia.
Yes, we've been friends since childhood.
Hay mucha confianza entre ellos porque se conocen desde la infancia.
There is a lot of trust between them because they have known each other since childhood.