παρ-ουσία, -ας, ἡ,
[in LXX: Ne 2:6 A, Jth 10:18, II Mac 8:12 15:21, III Mac 3:17*;]
1. usually in cl., a being present, presence: I Co 16:17, II Co 10:10; opp. to ἀπουσία, Phl 2:12 (cf. II Mac 15:21).
2. a coming, arrival, advent (Soph., Eur., Thuc., al., v. LS, s.v.; so Jth 10:18, II Mac 8:12): II Co 7:6, 7, Phl 1:26, II Th 2:9; in late writers (v. M, Th., 145 ff.; MM, xix; LAE, 372 ff.) as technical term for the visit of a king; hence, in NT, specif. of the Advent or Parousia of Christ: Mt 24:3, 27, 37, 39, I Co 15:23, I Th 2:193:134:155:23, II Th 2:1, 8, Ja 5:7, 8, II Pe 1:163:4, 12, I Jo 2:28.†