This is the 9119th most frequent German word.
lohnt
"lohnt" means "is worth" or "pays off."
Here, 'lohnt sich' again embodies the idea of value or worth, applied to a financial or temporal decision.
Diese Investition lohnt sich langfristig.
This investment is worth it in the long term.
In this instance, 'lohnt' is used with a direct object to establish equivalence in value or result of an endeavor.
Die Mühe lohnt das Ergebnis.
The effort is worth the result.
The word 'lohnt' is used here in the reflexive phrase 'es lohnt sich', which means 'it's worth it', conveying the benefit derived from effort or action.