This is the 1903rd most frequent Spanish word.
nacimiento
Birth.
Here, 'nacimiento' refers metaphorically to the beginning or start of a day, symbolizing renewal or hope.
El nacimiento de un nuevo día nos llena de esperanza.
The birth of a new day fills us with hope.
In this context, 'nacimiento' directly refers to the event of being born, specifically the action relevant to a newborn child.
El nacimiento de mi sobrino fue un momento muy especial.
The birth of my nephew was a very special moment.
Here, 'nacimiento' denotes the origin or source of a physical entity, the point where a river begins.