Κύδνος
From LSJ
νίψον ἀνομήματα, μὴ μόναν ὄψιν → wash the sins, not only the face | wash my transgressions, not only my face
Russian (Dvoretsky)
Κύδνος: ὁ Кидн (река в Киликии) Xen.
Wikipedia EN
The Berdan (also Baradān or Baradā), the ancient Cydnus (Greek: Κύδνος), is a river in Mersin Province, south Turkey. The historical city of Tarsus is by the river and it is sometimes called the Tarsus River.