Abbott-Smith Manual Greek Lexicon
ἀτενίζω (G816)
14 ** ἀτενίζω ( ἀτενής , strained , intent ; τείνω ), [in LXX: I Es 6:28 , III Mac 2:26 *;] to look fixedly , gaze (MM, s.v.): c. dat. pers., gaze upon : Lk 4:20 22:56 , Ac 3:12 10:4 14:9 23:1 ; seq. εἰς , c. acc. pers., Ac 3:4 6:15 13:9 ; metaph., Ac 1:10 7:55 11:6 , II Co 3:7 , 13 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain