This is the 7949th most frequent Spanish word.
mirtha
"Mirtha" is not a standard Spanish word; it is typically a proper noun, used as a personal name.
In this sentence, 'Mirtha' is used as a proper noun referring to a person's name.
Mirtha es el nombre de mi amiga.
Mirtha is my friend's name.
Here, 'Mirtha' continues to serve as a proper noun, specifying whom the speaker is addressing.
Le pedí a Mirtha que me ayude con el proyecto.
I asked Mirtha to help me with the project.
In this instance, 'Mirtha' is used as a possessive noun to attribute poetry to someone named Mirtha.