overview - Οικουμενικές Σύνοδοι

etymology

from Ancient Greek οἰκουμένη (oikouménē) ‘the inhabited world’) denoted the known, inhabited, or habitable world.

The Greek term cited above is the feminine present middle participle of the verb οἰκέω (oikéō, ‘(I) inhabit’) and is a clipped form of οἰκουμένη γῆ (oikouménē gē, ‘inhabited world’).[1][2]