Dictionary entry

σύνειμι_2

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament with Strong's

σύν-ειμι

(< εἰμίto be), [in LXX: Je 3:20 (רֵעַ), al.;]

to be with: Lk 9:18 (WH, mg., συνήντησαν), Ac 22:11.†