This is the 441st most frequent Latvian word.
viegli
Easily.
In this sentence, 'viegli' is an adverb describing how effortless it feels to study due to good rest.
Šodien ir viegli mācīties, jo esmu labi atpūties.
Today it is easy to study because I am well-rested.
Here, 'viegli' modifies the verb 'palīdzēt' (to help), indicating that the help can be provided without difficulty.
Ja vēlies, varu tev viegli palīdzēt ar šo problēmu.
If you want, I can easily help you with this problem.
In this context, 'viegli' implies that the scratches on the surface are minor or not severe.