This is the 16610th most frequent Turkish word.
yiyenlerin
"Of those who eat."
The word 'yiyenlerin' functions as the possessive form of the plural participle 'yiyen', which describes people who eat, combined with the genitive case compound suffix.
Tatlıyı yiyenlerin yüzleri hep gülüyor.
The faces of those who eat dessert always smile.
'Yiyenlerin' acts as a possessive plural of 'yiyen', denoting 'those who ate', establishing a reference to individuals who engaged in eating the mentioned items.
Kurabiyeleri yiyenlerin ardından herkes susmuştu.
After those who ate the biscuits, everyone fell silent.
Here, 'yiyenlerin' again identifies individuals who performed the action of eating, specifying them within the context of the possessive plural construction.