Abbott-Smith Manual Greek Lexicon
ὄντως (G3689)
10 ὄντως , adv. ( ὤν , ptcp. of εἰμί , sum ), [in LXX: Nu 22:37 ( אֻמְנָם ), Je 3:23 ( אָכֵן ), 10:19 ( אַךְ ), III Ki 12:24 , Wi 17:14 *;] really , actually , truly : Mk 11:32 , Lk 23:47 24:34 , Jo 8:36 , I Co 14:25 , Ga 3:21 ; ἡ ὄ. ζωή , I Ti 6:19 ; ἡ ὄ. χήρα , I Ti 5:3 , 5 , 16 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain