Definition
The stranger at your gate is you, and you open the door.
autoxenia
/ˌɔː.toʊ.kˈsɛ.ni.ə/ (aw-toh-KSEH-nee-ah; 5 syllables)
The stone is uncarved — this word has no glyph yet. The place was prepared before the carving.
The gap it fills
the moment of discovering that the stranger at your gate is yourself arrived by another road — and the hospitality extended at that recognition, welcome offered not despite the strangeness but through it
Evidential structure
No morpheme decomposition is carved in canon for this word — the cathedral does not guess one from its shape.