This is the 14037th most frequent Turkish word.
meyvesini
"The fruit of it" or "its fruit."
In this sentence, "meyvesini" refers to the fruit produced by the trees marked with a possessive suffix (its fruit).
Bahçedeki ağaçlar meyvesini vermeye başladı.
The trees in the garden started to bear fruit.
Here, "meyvesini" metaphorically indicates the reward or result of the work, also marked with a possessive suffix.
Bu çabanın meyvesini ileride göreceksiniz.
You will see the fruits of this effort in the future.
In this usage, "meyvesini" symbolizes the accomplishments or outcomes of the artist's work, again using a possessive structure.