To say "thank you" in Greek, you say: Ευχαριστώ
Pronounced: ef-ha-ree-STO It's a polite and common way to express gratitude in Greek. If you want to be more formal or emphasize thanks, you can say: Ευχαριστώ πολύ
Pronounced: ef-ha-ree-STO po-LEE
Meaning: "Thank you very much." Would you like to know how to say it in any specific context or dialect?