σκοτία, -ας, ἡ [in LXX: Job.28:3 (אֹפֶל), Mic.3:6 (חָשַׁךְ), Isa.16:3 *;] in late writers = σκότος,
darkness: Jhn.6:17 20:1. Metaphorical, (a)
of secrecy (opposite to ἐν τ. φωτί): Mat.10:27, Luk.12:3; (b)
of spiritual darkness: Mat.4:16, Jhn.1:5 8:12 12:35, 40, 1Jn.1:5 Jn 2:8-9 Jn 2:11. (
AS)