parousia

noun

1. advent(def 4).
2. (lowercase) Platonism. the presence in any thing of the idea after which it was formed.

noun

1. Christianity another term for the Second Coming

n.“Second Coming,” a reference to Matt. xxiv:27, 1875, from Greek parousia, literally “presence,” from para- (see para- (1)) + ousia “essence,” from on, genitive ontos, present participle of einai “to be” (see ion).