Kyrios
Kyrios (Greek: κύριος) is a masculine noun meaning "lord, master, owner" and, in polite usage, "sir." It is the standard ancient Greek term for a person who has authority or ownership, such as the master of a household or the ruler of a city. In classical texts it could denote a master, a guest of honor, or any person of high status, and it was used as a respectful form of address.
Grammatically, κύριος is a second-declension masculine noun. Its singular forms are N: κύριος, G: κυρίου, D: κυρίῳ, Acc: κύριον, Voc: κύριε. Plural
In religious contexts, Kyrios takes on a central significance. In the Greek translation of the Hebrew Bible
In modern Greek, κύριος remains a common term for “sir” or “Mr.” in everyday speech, while retaining