συνδιαλύομαι
From LSJ
ἀλλ' ἐπὶ καὶ θανάτῳ φάρμακον κάλλιστον ἑᾶς ἀρετᾶς ἅλιξιν εὑρέσθαι σὺν ἄλλοις → even at the price of death, the fairest way to win his own exploits together with his other companions | but even at the risk of death would find the finest elixir of excellence together with his other companions | but to find, together with other young men, the finest remedy — the remedy of one's own valor — even at the risk of death
French (Bailly abrégé)
aider à payer.
Étymologie: σύν, διαλύω, συνδιαλύω.
Dutch (Woordenboekgrieks.nl)
med. helpen afbetalen, helpen inlossen, helpen aflossen, met dat. en acc.. οἷς τοὺς ἐράνους συνδιελυσάμην (de vaders) die ik geholpen heb hun leningen terug te betalen [Luc.] 58.45.
Russian (Dvoretsky)
помогать нести расходы, вместе оплачивать (τινὶ τοὺς ἐράνους Luc.).