ξενίαxenía

hospitality, i.e. (by implication) a place of entertainment

Greek (New Testament) · G3578

Meanings

hospitality, entertainment: Philemon 1:22 (cf. ICC, in l., but see below). By by metonymy, a place of entertainment, a lodging-place: Acts 28:23, and so perhaps Philemon 1:22.

Same root

ξένοςxénos · G3581foreign (literally, alien, or figuratively, novel); by implication, a guest or (vice-versa) entertainer

Where it appears

Appears 2 times in the Bible.

Acts 28:23 So a time was set, and on that day a large number of people came to Paul’s lodging. He explained and testified about the Kingdom of God and tried to persuade them about Jesus from the Scriptures. Using the law of Moses and the books of the prophets, he spoke to them from morning until evening.
Philemon 1:22 One more thing—please prepare a guest room for me, for I am hoping that God will answer your prayers and let me return to you soon.

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.