This is the 5321st most frequent Swedish word.
elsa
"Elsa" is a Swedish feminine given name.
In this sentence, 'Elsa' is a proper noun, specifically a name, referring to an individual.
Elsa är en skicklig pianist.
Elsa is a skilled pianist.
Here, 'elsas' refers to electrical devices, stemming from 'el' (electricity) and is used as a form verb/warning.
Det kan vara farligt att elsas apparater om sladden är skadad.
It can be dangerous to use electrical devices if the cord is damaged.
The word 'elsar' in this context is derived from electricity-related assistance, showing aid/service.