Abbott-Smith Manual Greek Lexicon
ἀν-ωφελής (G512)
2 ἀν-ωφελής , -ές ( ἀ- neg., ὄφελος ), [in LXX: Is 44:10 ( הוֹעִיל בִּלְתִּי ), Je 2:8 ( הוֹעִיל לֹא ), Pr 28:3 , Wi 1:11 *;] unprofitable : Tit 3:9 ; neut. as subst., unprofitableness : He 7:18 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain