Stephanos of Byzantium - Ethnika
Kydna: a city in Macedonia. Theagenes, in his Makedonika. Through corruption it is called Pydna. The ethnonym is 'Pydnaios'. There is also Kydnos, a river in Kilikia.
AI translation — gpt-5.5; Gabe v3
Stephanos excerpt (left) is aligned with matched Herodian passages (right). Colors indicate corresponding overlap spans.