Abbott-Smith Manual Greek Lexicon
ἰός (G2447)
3 ἰός , -οῦ, ὁ , [in LXX: Ez 24:6 , 11 , 12 ( חֶלְאָה ), Ps 139 (140):3 ( חֵמָה ), al.;] an arrow . rust ( Ez 24:6 ): Ja 5:3 (cf. MM, Exp. , xv). poison : fig., Ro 3:13 ( Ps 139 (140):3 ) , Ja 3:8 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain