What does grace means in Greek word?

The Greek word most commonly translated as "grace" is χάρις (charis). It doesn't have a single perfect equivalent in English, but encompasses several related ideas including:

* Favor: Unmerited kindness or goodwill.

* Gratitude: A feeling of thankfulness.

* Charm: Attractiveness or loveliness.

* Gift: Something given freely.

The specific nuance of χάρις depends heavily on context. In theological contexts, it often emphasizes the unmerited favor of God.