Abbott-Smith Manual Greek Lexicon
δουλεία (G1397)
5 δουλεία (T, -λία ), -ας, ἡ ( δουλεύω ), [in LXX, as Ex 13:3 , for עֶבֶד and cognates ;] slavery, bondage : Ro 8:15 , 21 , Ga 4:24 5:1 , He 2:15 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain