Dictionary entry

σκοτόω

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

σκοτόω, -ῶ

(< σκότος), [in LXX for חשׁךְ, קדר, שׁחר;]

to darken: Re 9:216:10. Metaph., of the mind: pass., Eph 4:18 (cf. σκοτίζω).†