Anogeon (ἀνώγεον) refers to an upstairs room or upper story of a house — the kind of private, elevated space used for important gatherings. In first-century Judean homes, the upper room was often a larger, more formal room used for private meals, prayer, and significant events, distinct from the ground-floor living area.
The word appears in the Gospels in two decisive contexts. The disciples are directed to a 'large upper room' (anogeon mega) to prepare the Passover — the setting for the Last Supper (Mark 14:15; Luke 22:12). After the resurrection, the disciples gather in 'the upper room' (Acts 1:13 — hyperoon, a related term) where they wait for the promised Spirit. The upper room thus becomes the birthplace of the New Covenant meal (Last Supper), the post-resurrection community of prayer, and the site of Pentecost's preparation. Every Lord's Supper observed today echoes this anogeon.
The anogeon — upper room — is one of the most sacred spaces in Christian memory. It is where Jesus transformed the Passover into the Lord's Supper, where He washed the disciples' feet, where He promised the Paraclete, where He prayed His high-priestly prayer. To meet in an 'upper room' is to follow in the footsteps of the first disciples who gathered there to wait, pray, remember, and receive the Spirit.