ξυνιέναι
From LSJ
ψυχῆς ἀγῶνα τὸν προκείμενον πέρι δώσων → to stand the appointed trial for his life, to stand the appointed struggle for life and death
French (Bailly abrégé)
ion. et anc. att. c. συνιέναι.
Lexicon Thucydideum
convenire, to come together, agree, 1.3.5, 1.69.2, 1.124.2, 1.141.7, 2.10.2, 2.15.1, 2.17.3, 2.22.1. 3.107.2, 3.111.2. 4.38.1, 4.58.1. 4.119.3. 5.7.2. 5.15.2, 5.55.1, 5.55.2, 5.60.3, 7.56.4, 7.60.2, 8.8.2, 8.72.1, 8.92.2,
conflari, committi, to assemble, to engage in conflict, 5.74.1,
confligere, to fight, to engage in battle, 2.8.1, 4.94.2, 5.59.5, 5.69.1, 5.71.1.
intelligere, to understand, 1.3.4,
qui eadem lingua utebantur, who used the same language.