This is the 7016th most frequent Spanish word.
elsa
"Elsa" is a proper noun, typically a feminine given name, with no specific meaning in Spanish.
In this instance, 'elsa' is used as a noun to denote the part of an object, specifically a stirrup, showing its usage beyond a proper noun.
El sapo se sienta sobre la elsa del caballo.
The toad sits on the horse's stirrup.
Here, 'Elsa' is again a proper noun but contextualized as a character or individual within the narrative.
Te contaré la historia de Elsa y su valentía.
I will tell you the story of Elsa and her bravery.
In this sentence, 'Elsa' is used as a proper noun serving as the subject of the sentence.