G4866
συναθλέω
to contend
συν-αθλέω, -ῶ = συναγωνίζομαι: with dative commod., Php.1:27; with dative of person(s), before ἐν, Php.4:3.† (AS)
The KJV translates G4866 in the following manner:
laboured (2x), together (2x)
Full Thayer's lexicon entry
συναθλέω — synathléō
συναθλέω, συνάθλω; 1 aorist συνήθλησα; to strive at the same time with another: with a dative commodi (cf. Winer's Grammar, § 31, 4), for something, Php 1:21; τίνι ἐν τίνι, together with one in something, Php 4:3. (universally, to help, assist, Diodorus 3, 4.)
2 occurrences