G0159
αἴτιος
causer
αἴτιος, -α, ὁ (αἰτία), [in LXX: 1Ki.22:22 (סבב) Dan LXX Bel 41, TH ib. 42, Su 53, 2Ma.4:47 13:4, 4Ma.1:11 * ;] __1. causative of, responsible for; as subst., ὁ αἰ., the cause, author: Heb.5:9; τὸ αἰ., the cause, Act.19:40. __2. blameworthy, culpable; as subst., ὁ αἰ., the culprit, the accused (Lat. reus); τὸ αἰ. (= αἰτία, 3), the crime, Luk.23:4,14,22. † (AS)
Full Thayer's lexicon entry
αἴτιος — aítios
αἴτιος,,, that in which the cause of anything resides, causative, causing. Hence,
1. ὁ αἴτιος the author: σωτηρίας, Heb 5:9 (the same phrase is frequent in secular writings; cf. the opposite αἴτιος τῆς ἀπωλείας in Bel and the Dragon, verse; τῶν κακῶν, 2Ma 13:4; Lucian, Tim. 36, Lipsius edition; τῶν ἀγαθῶν, Isocr. ad Phil. 49, p. 106 a.; cf. Bleek on Heb. vol. 2:2, p. 94f.).
2. τό αἴτιον equivalent to ἡ αἰτία; cause: Act 19:40 (cf. Buttmann, 400 (342) n.).
b. crime, offence: Luk 23:4; Luk 23:14; Luk 23:22. (αἴτιος culprit.) (See αἰτία, 3.)
5 occurrences
Luke (3), Acts (1), Hebrews (1)