Dictionary entry

ἀναίτιος

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

ἀν-αίτιος, -ον

(< αἰτία), [in LXX: De 19:10, 1321:8, 9 (נָקִי), Da LXX TH Sus 62, always of αἷμα (of. MM, VGT, s.v.)*;]

guiltless, innocent: Mt 12:5, 7.†