G4865
συναγωνίζομαι
to struggle
συν-αγωνίζομαι to strive together with, to help (prop., of sharing in a contest): with dative of person(s) and of thing(s), Rom.15:30.† (AS)
The KJV translates G4865 in the following manner:
together (2x)
Full Thayer's lexicon entry
συναγωνίζομαι — synagōnízomai
συναγωνίζομαι: 1 aorist middle infinitive συναγωνίσασθαί; from Thucydides and Xenophon down; to strive together with one, to help one in striving: τίνι ἐν τάς προσευχαῖς, in prayers, i. e. to offer intense prayers with one, Rom 15:30; in what sense intense prayer may be likened to a struggle, see Philippi at the passage ((cf. ἀγωνιζόμενος in Col 4:12 and Lightfoot's note)).
1 occurrence