συναίρεσθαι
From LSJ
Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)
Greek > English (Woodhouse Verbs Reversed)
(see also συναίρω): take a share in, take part in, undertake with another
