συνεπιστρατεύειν
From LSJ
αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point
Greek > English (Woodhouse Verbs Reversed)
(see also συνεπιστρατεύω): join in a campaign, join in an expedition
