This is the 8836th most frequent Catalan word.
estalvi
"Estalvi" means "savings" in English.
Here, 'estalvi' refers to the act of saving or conserving (in this case, energy). It is used as a noun to denote the concept of conservation.
L'estalvi d'energia és essencial per al medi ambient.
Energy saving is essential for the environment.
In this sentence, 'estalvi' represents the financial savings achieved, pointing to the benefit or amount saved financially.
He tingut un bon estalvi amb les rebaixes d'aquest mes.
I had good savings with this month's sales.
Here, 'estalvi' is used metaphorically to indicate the efficient management and conserving of time for productivity.