Abbott-Smith Manual Greek Lexicon
ἄ-καρπος (G175)
7 ἄ-καρπος , -ον , [in LXX: Je 2:6 ( צַלְמָוֶת ), Wi 15:4 , IV Mac 16:7 ;] unfruitful , barren : fig., Mt 13:22 , Mk 4:19 , I Co 14:14 , Eph 5:11 , Tit 3:14 , II Pe 1:8 , Ju 12 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain