This is the 830th most frequent Greek word.
στέλιος
"Στέλιος" is a Greek male given name, derived from "Στυλιανός" (Stylianos), meaning "pillar" or "support."
The word "Στέλιος" is used as a proper noun, serving as a subject of the sentence.
Ο Στέλιος είναι φίλος μου.
Stelios is my friend.
Here, "Στέλιο" is the accusative case of the proper noun "Στέλιος," showing that Stelios is the object of the action.
Χθες συνάντησα τον Στέλιο στον δρόμο.
Yesterday I met Stelios on the road.
In this sentence, "Στέλιου" is the genitive case of "Στέλιος," indicating possession, as it refers to Stelios's sister.