erilerinin
"Erilerinin" is a Turkish word that translates to "their backs" in English. It is a possessive form of the Turkish word "eri," which means "back." The word is used to refer to the backs of a group of people, animals, or objects. For example, "Erilerinin sıcaklığını ölçmek" means "to measure their backs' temperature." The possessive form "erilerinin" is formed by adding the possessive suffix "-in" to the plural form of "eri," which is "eriler." This suffix is used to indicate possession or association. The word "erilerinin" is commonly used in Turkish language and literature to describe the backs of multiple entities.