ξύνειμι
From LSJ
τὸ δ' ἐξαίφνης τὸ ἐν ἀναισθήτῳ χρόνῳ διὰ μικρότητα ἐκστάν → suddenly refers to what has departed from its former condition in a time imperceptible because of its smallness
French (Bailly abrégé)
anc. att. c. σύνειμι¹;
ion. et anc. att. c. σύνειμι².
English (Autenrieth)
(1) (εἰμί), fut. inf. -έσεσθαι: be with, ‘be linked to,’ Od. 7.270†. ;; (2) (εἶμι), part. ξυνιόντες, ipf. 3 pl. ξύνισαν, du. συνίτην: go or come together, esp. in hostile ways, meet; περὶ ἔριδος, ἔριδι, ‘in a spirit of strife,’ Il. 20.66.