διακηρυκεύεσθαι
From LSJ
Ὥς ἐστ' ἄπιστος (ἄπιστον) ἡ γυναικεία φύσις → Muliebris o quam sexus est infida res → Wie unverlässlich ist die weibliche Natur
Greek > English (Woodhouse Verbs Reversed)
(see also: διακηρυκεύομαι) communicate with by herald, negotiate by heralds
Lexicon Thucydideum
per caduceatorem agere, to negotiate through a herald, 4.38.2.